10 More/10 Less
Write the equation
T-Chart/Number Line
Subtracting Decade Numbers
Bonus
100
The number that is 10 more than 77

What is 87?

100

Aunt Sarah peeled 17 peaches and her nephew peeled 10 peaches. They peeled ___ peaches in all.

Write the equation.

What is 17 + 10 = ___?

100

20 + 10 = ___

Use T-Chart or number line to solve.

What is 30?

Check for correct representation

100

50 - 20 = ___

What is 30?

Check for correct representation.

100

There are ___ digits in 26.

What is 2?

200

The number 10 less than 100

What is 90?

200

Mrs. Davis planted 28 roses and 24 daisies. Mrs. Davis planted __ flowers all together.

Write the equation

What is 28 + 24 = ___ ?

200

12 + 11 = ___

Use a T-chart or number line to solve.

What is 23?

Check for correct representation

200

20 - 10 = ___

Show your work with a representation.

What is 10?

Check for correct representation

200

In 65, there are ___ groups of ten.

What is 6?

300

The number that is 10 less than 19

What is 9?

300

On opening day of the spring carnival, there were 52 children and 30 adults. There were __ people at the carnival.

Write the equation.

What is 52 + 30 = __ ?

300

41 + 25 = ___

Use a T-chart or number line to solve.

What is 66?

Check for correct representation

300

40 - 40 = ___

Show work with representation.

What is 0?

Check for correct representation

300

The value of the 5 in 54 is ___.

What is 50?

400

The number that is 10 more than 27

What is 37?

400

Uncle David planted 23 trees. His niece planted 5 trees. They planted ___ trees in all.

Write the equation

What is 23 + 5 = ___

400

56 + 32 = ___

Use a T-chart or number line to solve. 

What is 88?

Check for correct representation

400

60 - 30 = ___

Show work with representation

What is 30?

Check for correct representation

400

The value of the 3 in 43 is ___.

What is 3?

500

The number that is 10 more and 10 less than 55

What is 65 and 45?

500

There are 13 birds in the tree. Some of the birds fly away. Now there are 8 birds in the tree. ___ birds flew away. 

Write the equation

What is 13 - __ = 8?

500

74 + 18 = ___

Use a T-chart or number line to solve.

What is 92?

Check for correct representation

500

100 - 30 = ___

Show work with representation.

What is 70?

Check for correct representation

500

True or false:

I have 5 groups of ten in 15.

False

M
e
n
u