Decimal Operations

PRODUCT- When you see this word in a word problem what is it telling you to do?

• Add

• Subtract

• Multiply

• Divide

DIFFERENCE- When you see this word in a word problem what is it telling you to do?

• Add

• Subtract

• Multiply

• Divide

7.9-3.47=

• 11.37
• 4.43
• 3.32
• 4.37

55.78+4.6=

• 60.28
• 55.32
• 56.44
• 60.38

7.05-4.6=

• 2.45
• 3.65
• 11.65
• 11.45

If there is a decimal in the divisor, what must be done first?

• The divisor must be made a whole
• The decimal gets moved into the dividend
• Divide like normal
• Erase the decimal

When you move the decimal in the divisor, what happens in the dividend?

• You raise the decimal straight up
• Nothing
• You put a zero in the front
• The decimal moves the same amount in the dividend that it moved in the divisor.

3.24 ÷ 0.6 = 

• 5.25
• 0.54
• 5.4

True or false: You have to line up the decimal places to multiply decimals.

• True

• False

0.78 ⋅ 0.34 = 

• 2,652
• 26.52
• 0.2652