Decimals

When adding decimals with the same sign you.....

• subtract and take the sign of the larger number
• add the opposite
• add and keep the sign
• subtract and keep the sign

When adding decimals with different signs you....

• subtract and take the sign of the larger number
• add the opposite
• add and keep the sign
• subtract and keep the sign

-6.5 + (-0.5) 

• -7
• 7
• 6
• -6

34.5 + (-7)

• -41.5
• 41.5
• -27.5
• 27.5

-40 + 15.05= 

• 55.05
• 24.95
• -24.95
• 14.65

What is the value of -4.5 - 6 ?

• 10.5
• -10.5
• -3.9
• 3.9

What is the value of 18 - 23.2 ?

• -5.2
• -5.8 
• 5.2
• 5.8

What is the value of  3.45 - (-7.8) ?

• --1.25
• 11.25
• -4.35
• 4.35

When multiplying decimals do you line up the decimal point?

• Yes

• No

- 2. 4 X  4 

• 9.6
• -9.6
• 96
• .96