Add, subtract, multiply, and divide decimals

When you add two decimal numbers, you do not need to line up the decimal points.

• True

• False

Tags

CCSS.6.NS.B.3

When you multiply two decimal numbers, you line up the digits not the decimal points.

• True

• False

Tags

CCSS.5.NBT.B.7

When you divide two decimal numbers, the divisor cannot have a decimal.

• True

• False

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Which statement about 6.45 ÷ 0.5 is true?

• The dividend is a whole number.

• The divisor should become 5 before you divide

• The product does not have a hundreds place.

Tags

CCSS.5.NBT.B.7

Find the difference: 7- 0.4

• 6.6
• 6.62
• 0.3
• 6.8

Tags

CCSS.5.NBT.B.7

Find the product: 0.12 x 0.006

• 0.00072
• 0.072
• 0.0072
• 7.2

Tags

CCSS.6.NS.B.3

Solve.

9 + (-17) + (-9)

• 9

• -9

• -17

• 17

Tags

CCSS.7.NS.A.1C

7 + 2 + (-10) = ?

• 4
• 1
• -1
• 19

Tags

CCSS.7.NS.A.1D

• - 11 - (-2)

• 13

• -13

• 9

• -9

Tags

CCSS.7.NS.A.1C

-15 - 3

• 12
• -12
• -18
• 18

Tags

CCSS.7.NS.A.1C