➕ 1st Grade Math · Unit 2

Working with Equations

9 short narrated lessons in 2 chapters, each with pictures, a quiz with a hint and a second try, and an explanation for every answer.

Standards: 1.OA.D.7 1.OA.D.8 1.OA.A.2 1.OA.B.3

Picture from the lesson “Equal Means the Same”
Equal Means the Same
Picture from the lesson “True or False?”
True or False?
Picture from the lesson “Find the Missing Number”
Find the Missing Number

What your child will learn

Equal sign and missing numbers

  1. Equal Means the SameExplain that the equal sign means both sides have the same amount.
  2. True or False?Decide whether equations like 6 equals 6 or 5 plus 2 equals 2 plus 5 are true or false.
  3. Find the Missing NumberFind the missing number in equations like 8 plus what equals 11.
  4. Missing Numbers in StoriesWrite and solve an equation with a missing number for a story problem.
  5. Equal Sign and Missing Numbers Review ReviewReview the equal sign, true and false equations and missing numbers.

Adding three numbers

  1. Adding Three NumbersAdd three numbers whose sum is 20 or less.
  2. Make a Ten FirstChoose two of three numbers that make ten and add them first.
  3. Three-Number StoriesSolve story problems that have three numbers to add.
  4. Adding Three Numbers Review ReviewReview adding three numbers and solving three-number stories.

Try a question from this unit

From the lesson “Equal Means the Same”

Which picture shows two equal groups?

  • [object Object]
  • [object Object]
  • [object Object]
Show the answer

[object Object]. Both groups have 4 dots, so they are equal.

Hint kids see after a wrong try: “Count each group and look for the same amount.”

Key words

  • equal
  • true
  • false
  • missing
  • unknown
  • three addends
  • group
  • story

Try these lessons in Kids Shelf

Narrated lessons, pictures and quizzes for every grade from K to 8. Works offline.

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