Rules to Adding and Subtracting Decimals

What is the sum of 1.70+4.65?

• 2.95
• 5.35
• 6.35
• a decimal

Subtract the following:
9.43-3.34

• 12.77
• 6.09
• 6.90
• 60.09

Which addition equation has the total of 7.29?

• 7.00+7.29
• 4.00+0.29
• 4.62+9.00
• 4.18+3.11

Which subtraction equation has the answer of 1.03?

• 9.45-8.42
• 8.42-9.45
• 1.00+0.03
• none of the above

456.1+345.98

• 700.00
• 791.08
• 802.08
• 800.00

True or false: The blocks show the decimal numbers of 6.47 + 3.26.

• False 
• True 

987.4 - 321.70

• 665.07
• 605.7
• 665.7
• 1309.1

3,561.9 + 705.09

• 4266.99
• 4266.9
• 4266.09
• 4266.999

What is the difference when you subtract 852.26 and 45.54?

• 80.672
• 806.72
• 860.27
• 860.72

What decimal numbers do the money pieces represent? 

• 3.39 and 4.06
• 3.49 and 4.60
• 3.13 and 4.006
• 3.94 and 4.t6