Addition Within 10: math practice, Grade 1 – download the PDF

1 Marbles in a bag ★★★

Mia has 2 red marbles and 4 blue marbles. She puts them all in one bag. How many marbles are in the bag? Write an addition sentence.

2 Birds on a fence ★★★

5 birds sit on a fence. Then 3 more birds fly in. How many birds are on the fence now? Write an addition sentence.

3 Read the picture ★★★

Look at the counters. Write the addition sentence and the sum.

4 Read the ten frame ★★★

The ten frame shows orange and blue counters. Write an addition sentence.

5 Adding zero ★★★

Find each sum.

1. \(8+0\)
2. \(0+6\)
3. \(9+0\)
4. \(0+0\)

6 Hop on the number line ★★★

Start at 5 on the number line. Hop 3 steps to the right. Where do you land? Write the addition sentence.

7 True or false? ★★★

Say if each sentence is true or false.

1. \(2+5=7\)
2. \(4+4=9\)
3. \(6+0=0\)
4. \(1+8=9\)

8 Make ten ★★★

Find the missing number to make 10.

1. \(6+\square=10\)
2. \(3+\square=10\)
3. \(\square+8=10\)
4. \(5+\square=10\)

9 Turn-around facts ★★★

Write the turn-around fact and the sum for each addition.

1. \(3+6\)
2. \(2+7\)
3. \(1+5\)

10 Missing number ★★★

Find the missing number.

1. \(5+\square=9\)
2. \(\square+2=8\)
3. \(3+\square=7\)
4. \(\square+6=6\)

11 Cookies on a plate ★★★

There are 4 cookies on a plate. Dad bakes 5 more cookies and puts them on the plate. How many cookies are on the plate now? Write an addition sentence and a full sentence for the answer.

12 Number bonds ★★★

Find the missing part in each number bond.

13 Greater than, less than, or equal? ★★★

Compare the sums. Write \(<\), \(>\) or \(=\) in each blank.

1. \(3+4\ \square\ 2+6\)
2. \(5+2\ \square\ 4+3\)
3. \(6+0\ \square\ 1+4\)
4. \(2+2\ \square\ 3+0\)

14 Complete the table ★★★

Each column must make 10. Fill in the empty cells.

15 Three numbers ★★★

Add the three numbers. Hint: add two numbers first.

1. \(2+3+4\)
2. \(1+4+3\)
3. \(5+0+4\)
4. \(2+2+2\)

16 Find the mistake ★★★

Sam wrote \(6+0=0\). Lena wrote \(4+3=8\). Both sentences are wrong. Explain each mistake and write the correct sentence.

17 Pairs that make ten ★★★

Here are seven number cards: 3, 7, 4, 6, 5, 2, 8. Make pairs of cards with a sum of 10. One card has no partner. Which one?

18 Crayon box ★★★

A box has 3 red crayons, 2 yellow crayons, and 4 blue crayons. How many crayons are in the box? Write an addition sentence.

19 Same sum, other order ★★★

Find the missing numbers. Use turn-around facts.

1. \(\square+2=2+7\)
2. \(4+5=5+\square\)
3. \(1+\square=8+1\)

20 All the ways to make 8 ★★★

Write all the addition sentences with a sum of 8. Use whole numbers from 0 to 8 and write the first number from the smallest to the biggest.

21 Zyro’s garden story ★★★

Zyro grows 4 purple flowers and 5 green plants in his garden. Write an addition sentence for all the plants. Then write a turn-around sentence and explain why the sums match.