Math for 1st graders


1st Grade Math Skills, What Your Child Will Learn, Komodo Math

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Your child is heading to first grade! After the year in kindergarten, your first grader will be ready for some amazing growth. For many children, first grade is the year that they bloom as readers and mathematicians. Get ready to support your child’s mathematical growth by learning about first grade math skills. 

In first grade, you can expect your child to learn about: 

1. Addition and subtraction facts to 20 

Now that your child has mastered the idea of adding and subtracting, they’re ready to practice math facts. This means getting faster when answering addition and subtraction problems to 20. 

Help your child develop fluency by asking basic addition and subtraction problems - we find that using treats can help keep kids interested! If your first grader needs support, encourage the use of physical objects or fingers as problem-solving tools.  

2. Addition and subtraction as inverse operations 

Your child probably understands the concept of addition as “putting together” and subtraction as “taking apart.” In first grade, children are encouraged to see the connections between addition and subtraction. Your child will learn how addition and subtraction are inverse operations, or that one is the opposite of the other, and create “fact families” of related addition and subtraction problems. 

When working with addition and subtraction, ask your child to see connections. For example, if your child has four dolls and three cars, ask how many toys there are in all. Then ask how many toys there would be if the four dolls are taken away. 

3. Count and write within 120 

Your child has probably mastered counting to 20. But in first grade kids will learn to count all the way up to 120! That’s not all. Kids will be expected to not only count, but write, the numbers. This is great practice for understanding multi-digit numbers. 

At home: Encourage your child to write numbers whenever possible. Talk about how two-digit numbers are made up of tens and ones and how three-digit numbers are made up of hundreds, tens, and ones. Just looking closely at multi-digit numbers together can be a great learning opportunity. 

4. Add within 100 

Now that your child has an understanding of numbers past 100 as well as basic addition and subtraction facts, it’s time to practice adding within 100. Children will practice adding one-digit numbers to two-digit numbers using strategies like counting on and number charts. Children can practice adding larger numbers with the help of a 1-100 chart. 

First graders are also ready to practice adding and subtracting 10s to and from two digit numbers. 

At home: Help your child see patterns when adding and subtracting 10s. For example, after solving a problem like 59 - 10 = 49, point out to your child that 49 has one less 10 than 59. This is another great way to learn about place value. 

5. Measure objects

In first grade, kids learn how to measure using rulers and more unusual things like paper clips. After taking measurements, children compare and order objects by length.

At home: Kids love measuring things around the house, so keep a couple of rulers handy. Pay attention to how your child is using a ruler and taking measurements. Sometimes kids don’t quite measure from end to end, so they might need a bit of help...  

6. Tell time to hour and half hour 

One of the trickiest concepts first graders will learn is to tell time. Using analog clocks is confusing, especially when kids are more used to seeing digital clocks. In first grade, your child will learn about the big and little hands of a clock and will practice telling time to the hour and half hour.  

At home: Get hold of an analog clock for your home (either a real one or one made just for learning). Talk with your child about the time and how the hands move around the clock. Remember to just focus on telling time to the hour and half hour to start! 

7. Understand basic fractions

First graders also get an introduction to fractions as equal shares. They will learn how to divide into equal groups and learn basic fractions like ½, ⅓, and ¼. First graders usually have a good understanding of fairness,  so practicing making equal shares should be a relatively easy task for them!

At home: Help your child to divide pizzas, pies, and sandwiches into equal shares. As you do, talk about the fractions of the whole that you created. 

First graders are ready to dive deep into mathematical concepts. Find time to connect with your child about classroom learning and get ready to have some fun! 

Found this useful? Check out our grade by grade math guides from Kindergarten to 5th grade

Written by Lily Jones, Lily loves all things learning. She has been a kindergarten & first grade teacher, instructional coach, curriculum developer, and teacher trainer. She loves to look at the world with curiosity and inspire people of all ages to love learning. She lives in California with her husband, two kids, and a little dog.

About Komodo – Komodo is a fun and effective way to boost K-5 math skills. Designed for 5 to 11-year-olds to use in the home, Komodo uses a little and often approach to learning math (15 minutes, three to five times per week) that fits into the busy family routine. Komodo helps users develop fluency and confidence in math – without keeping them at the screen for long.

Find out more about Komodo and how it helps thousands of children each year do better at maths – you can even try Komodo for free. 

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1st Grade Math Games | First Grade Math Skills

How it works

Learn how ST Math can make a difference for your students.

Nationwide Results

ST Math has repeatable results at scale.

 

Play select games from the ST Math first grade curriculum. Concepts include place value, addition, subtraction, number line, shapes, and more.

Tens and Ones with Spaceships

Count and represent numbers to 20 using place value.

  • Decompose numbers into groups of tens and ones by using visual models.
  • Levels begin with representing sets of spaceships ≤10 on a ten frame, then move to representing ≤20 spaceships by creating a set of 10 and 1’s.
  • Level 1
  • Level 2
  • Level 3
  • Level 4
  • Level 5
  • Level 6

Push Box Addition and Subtraction

Develop strategies for solving addition and subtraction problems.

  • Use problem solving strategies to find missing values in visual addition and subtraction situations where blocks are added or subtracted.
  • Determine if a situation requires addition or subtraction, or a combination of both.
  • Levels begin with finding sums or differences given a visual model, then move to determining which value (a missing addend or subtrahend) is needed.
  • Level 1
  • Level 2
  • Level 3
  • Level 4
  • Level 5
  • Level 6
  • Level 7
  • Level 8

Numbers on a Number Line

Estimate and plot numbers on number lines to 20.

  • Build the concept of numbers as equidistant points on a line by plotting and estimating numbers to 20.
  • Levels start by using number lines to 10 ticked and labeled with all the numbers, then progress to showing only benchmark numbers.
  • Apply concepts of numbers on a number line to estimate numbers to 20.
  • Level 1
  • Level 2
  • Level 3
  • Level 4
  • Level 5
  • Level 6
  • Level 7

Composite Shapes

Create a composite shape by arranging the given shapes.

  • Compose a given 2-dimensional shape by using smaller shapes.
  • Levels begin by simple matching of shapes, then move to more complex problems that require close attention to specific attributes of given shapes.
  • Develop spatial strategies for reasoning about angles and sides to compose a larger shape.
  • Level 1
  • Level 2
  • Level 3
  • Level 4

Making Tens and Ones with Ten Frames

Decompose quantities less than 20 into tens and one using visual models and equations.

  • Represent numbers 11-19 as a set of 10 and 1’s using ten frame models
  • Solve missing addend equations.
  • Levels start with finding the missing addend for numbers less than 10 with ten frames, then progress to representing numbers 11-19 using equations in the form 10+ _ (ones).
  • Level 1
  • Level 2
  • Level 3
  • Level 4
  • Level 5
  • Level 6
  • Level 7
  • Level 8

Tug Boats Equal Groups

Create equal groups of tug boats using addition and subtraction strategies.

  • Develop addition and subtraction strategies for creating equal groups.
  • Levels begin with visual models, then progress to working with numbers to create equivalent sets.
  • Level 1
  • Level 2
  • Level 3
  • Level 4
  • Level 5
  • Level 6
  • Level 7
  • Level 8

Hands-on Math Activities Pair these activities with specific ST Math games. Read Now »

Visual Addition and Subtraction Explanation of ST Math games that visually model addition and subtraction. Read Now »

Scary Feet Storybook Free math storybook to read together featuring dinosaurs. Read Now »

Educators, ready to learn about the full ST Math experience?

GDZ in mathematics Grade 1 Moro textbook 1, part 2

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  • nine0253

    Additional GDZ Moro

    • Mathematics workbook Grade 1 Moreau, Volkova
    • Testing work in mathematics Grade 1 Volkova

    See also

    • Workbook on the world around 1st grade Pleshakov
    • Russian language textbook Grade 1 Kanakina, Goretsky
    • Russian language workbook Grade 1 Kanakina, Goretsky nine0006

    Description

    Collection of ready-made homework according to M. I. Moro, S.I. Volkova, S. V. Stepanova "Mathematics Grade 1" demonstrates the principles for performing basic numbers.

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    High-quality illustrations look crisp and legible. A visual explanation of the algorithms helps to understand the principles of solution, step-by-step recording, final design. This allows you to quickly transfer the skills of work to children.

    Your message has been sent!

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    entertaining tasks and examples in pictures with answers and solutions

    Entertaining mathematics

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    Why do kids love LogicLike tasks more than tasks from math textbooks? The professor and his team will teach each child to click both typical and non-standard math problems. nine0495

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    Popular categories of assignments for grade 1

    Selections from the training course LogicLike

    • Simple addition and subtraction
    • Enlargement, reduction by several units
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    • Examples for addition and subtraction for class 1
    • Math puzzles for class 1

    Addition and Subtraction Problems

    Simple problem of finding sums

    To decide click Start!

    Three girls took 1 balloon in each hand.
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    Watch answer nine0495

    Answer:

    6.

    Attention task

    To decide click Start!

    There are two sweets, one cake and three pears on the plate. nine0495

    How many fruits are on the plate?

    Watch answer

    Answer: nine0495

    3.

    Subtraction problem

    To decide click Start!

    There were 7 liters of water in a 12-liter barrel, and 8 liters in a bucket.
    Water from a bucket filled the barrel to the top.

    How many liters of water are left in the bucket?

    Find out the answer

    Answer:

    3.

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    Examples and tasks

    Shapes in space: 2D and 3D

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    Tasks to increase and decrease the number by several units

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    Find out the answer

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    5 apples.

    Age problem

    Yura was born 2 years earlier than Vanya. nine0593 Yuri is now 5 years old.

    How old is Vanya?

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    3.

    Finding the Unknown term and difference

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    An evil virus hid the numbers in the examples.
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    Find out the answer

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    2 + 3=5
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    Day after day more 100,000 children

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    • Entertaining tasks for grade 1 for addition and subtraction within 10.
    • Entertaining tasks for first graders: addition and subtraction up to 10.

    What is the best online course? nine0003

    We recommend that future and present first graders practice 15-20 minutes a day.

    Compound tasks for first graders

    Tasks in two or three actions develop memory, logic and mathematical speech.

    Composite difference problem comparison

    To decide click Start!

    Condition: The purple monster ate 4 whole oranges, and the red monster ate 7 halves of the same oranges.

    Question: Who ate more oranges? nine0495

    Show decision

    Answer:

    Violet.

    Solution
    1 whole orange = 2 halves.
    4 whole oranges = 2 + 2 + 2 + 2 = 8 halves.
    8 > 7 means Purple ate more than Red. nine0495

    Multi-action task on balancing

    To decide click Start!

    Condition: A rabbit is 2 kg lighter than a puppy.

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    Find out the answer and decision nine0495

    Solution
    1. A rabbit is lighter than a puppy, so the right one is lighter. the bowl with the rabbit will rise up.

    2. In order for the balance to balance, the weight on the bowl rabbit should be 2 kg heavier than the kettlebell that we will add to the puppy. nine0495

    It turns out that you need to put on a bowl with a puppy weight in 1 kg, and on a bowl with a rabbit - in 3 kg.

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    Text Boolean

    Fedya has equal number of sisters and brothers.

    Who is more in the family: sons or daughters?

    Show answer nine0495

    Answer:

    more sons (Fedya is also a son).

    To decide click Start!

    Kolya and Nadia have the same items.
    Anya has a jump rope. nine0495

    Distribute items to all children.

    Find out the answer

    Answer:

    Kolya and Nadi - balls. Ira and Anya have jump ropes. nine0495

    Want more examples of similar tasks? See logic puzzles for 1 class.

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    Math tasks for logic

    Task with figures on verbal-logical thinking

    To decide click Start! nine0495

    Condition: The professor thought of a figure and gave two clues:
    - it is not square and not blue;
    - it is round or triangular.

    Question: What did the Professor guess? nine0495

    Find out the answer

    Answer:

    orange triangle.

    Take hint nine0495

    Hint

    Solving similar mathematical puzzles promotes the development of verbal-logical thinking , trains possession skills basic methods of thinking: highlighting essential and insignificant features of objects, generalization, comparison, derivation of the investigation and others. nine0495

    Continue the pattern

    To decide click Start!

    Find a pattern and continue the series with numbers.

    Find out the answer nine0495

    Answer:

    20.

    Comment:
    The difference between each successive number and the previous one increases by 1 (+1, +2, +3…).


    Learn more