Adding and Subtracting Fractions in 10 and 100

What is the unknown numerator that makes this equation true.

^___/10 = ⁴⁰/100

• 40

• 4

• 1

• 5

Determine if the equation is true or false. ⁵/10 + ¹⁸/100 = ⁶⁸/100

• True

• False

Choose the unknown numerator that makes this equation true.

⁶/10 + ³/100 = ^__/100

• 91

• 63

• 9

• 90

Choose the unknown number that makes this equation true.

³/10 + _______ = ⁵⁵/100

• 29

• 26

• 24

• 25

Choose the unknown number that makes this equation true.

^__/10 + ¹⁵/100 = ⁷⁵/100

• 9

• 6

• 4

• 8

Which fraction is equivalent to 6/10

• 6/100

• 60/100

• 600/100

• 1/6

What two fractions represent the answer to this problem?

3/10 + 50/100 =

(choose two answers!)

• 8/10

• 8/100

• 80/100

• 80/10

Which model is shaded gray to represent the expression 1/10 + 1/100?

• 
• 
• 
• 

7/10 + 7/100 = ?

• 14/100
• 49/100
• 77/100
• 7/10

Nathan read 40/100 of a book one day. He read 3/10 of the book the next day. Which expression shows the fraction of the book Nathan has read?

• 40/100 + 3/100

• 40/10 + 3/10

• 40/100 + 30/100

• 40/10 + 3/100