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Adding Tens

Practice adding multiples of ten to a given number for first graders.

Grade 1 Math AdditionAddition StrategiesAdding Tens
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Includes

Fill in the Blanks2 Short AnswerMultiple ChoiceTrue / False

Standards

CCSS.MATH.CONTENT.1.NBT.C.4

Topics

mathadditionadding tensgrade 1
7 sections · Free to use · Printable
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Adding Tens

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Add the numbers. Remember to count by tens!

1. 10 + 10 =  

2. 20 + 10 =  

3. 30 + 10 =  

4. 40 + 10 =  

5. 50 + 10 =  

Use the number line to solve. Start at 20 and add 30.

0102030405060708090100

20 + 30 =

1. Which number comes next in the pattern: 10, 20, 30,  ?

a

35

b

40

c

50

d

60

2. If you have 2 tens and add 1 more ten, how many tens do you have?

a

2 tens

b

3 tens

c

4 tens

d

10 tens

1. 30 + 20 = 50

T

True

F

False

2. Adding 10 to a number always makes the ones digit change.

T

True

F

False

1. Mia has 40 stickers. Her friend gives her 20 more stickers. How many stickers does Mia have in total?

2. There are 60 apples in a basket. John adds 30 more apples. How many apples are in the basket now?