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Solve Put-Together and Take-Apart Word Problems

Students will solve word problems involving combining two groups (put together) or splitting a total into two parts (take apart). These problems focus on part-part-whole relationships and help students see addition and subtraction as related operations.

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Solve Put-Together and Take-Apart Word Problems

Grade 1 · Addition and Subtraction Word Problems · question 1 of 3

0 of 12

12 rungs. A star at the top.

Wes has 8 grapes in a bowl. 3 grapes are eaten. How many grapes are left?

How it is taught

0:00 of 3:05

Put together joins two parts into a whole.

Take apart splits a whole into parts.

Read it: Put together, take apart: the other part

A box has 6 crayons. 4 are red, and the rest are blue. 6 is the whole and 4 is 1 part, so count on from 4 to 6: 5, 6. 2 are blue.

  1. Find the whole: 6 crayons in all.
  2. Find the part you know: 4 are red.
  3. Count on from 4 to 6: 5, 6. The other part is 2.

Nothing leaves the box, so the whole stays 6.

The 2 parts together make the whole, so 4 and the other part make 6.

6 = 4 + 2 is the number sentence for the story.

You know the whole and 1 part. Count on from the part to the whole.

Adding the 2 numbers because there are 2 of them: 6 + 4 = 10.

6 is already the whole. Find the part that makes 6 with 4: 2.

A jar has 8 beads. 1 is red, and the rest are blue. How many are blue? — 7. 8 is the whole and 1 is 1 part. Count on from 1 to 8: 2, 3, 4, 5, 6, 7, 8. 7 are blue.

4 + 3 apples

Maya is picking apples. She has four red apples and three green apples. How many apples does she have all together?

Here are her four red apples.

And here are her three green apples.

We have two parts — the red apples and the green apples. To find how many in all, we put them together. That means we add!

We write four plus three equals what?

Let's count every apple: one, two, three, four... five, six, seven!

Four plus three equals seven.

Maya has seven apples in all. Great work!

4 red apples and 3 green apples — how many in all?4 red3 greenpartpart4+3=?7ANSWER7apples in all
Grade 1 · Maya's apple basket

What you see

While they climb, your page writes one true line to ask about tonight, and a short note each Sunday.

MayaGrade 3 · Mathematics
Did you know?

A chessboard has 64 squares — share them out between the 8 rows and each row holds exactly 8.

Today’s goal
1 star — one skill mastered, every rung of its ladder climbed
Climbing now
Divide within 100

An example student.

MayaGrade 3 · Mathematics

Maya earned 2 stars this week — Interpret multiplication as equal groups, which took 6 answers over 3 days before its star landed 3 days ago and Multiply by 6, 7, 8 and 9. Next up: Divide within 100.

An example week.

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Solve Put-Together and Take-Apart Word Problems — Grade 1 Mathematics