Multiplying Decimals Models

Which equation matches the model?

• 0.4 x 0.3 = 0.12

• 12 x 0.3 = 3.6

• 3 x 4 = 12

• 3 x .12 = 0.36

Tags

CCSS.5.NBT.B.7

Which equation does this model represent?

• 0.80 x 0.33 = 0.24

• 0.8 x 0.24 = 0.3

• 0.3 x 0.8 = 0.24

• 0.24 x 0.3 = 0.8

Tags

CCSS.5.NBT.B.7

• The product is 80

• The product is 15

• The product is 0.15

• The quotient is 0.15

Tags

CCSS.6.NS.B.3

Tags

CCSS.6.NS.B.3

What is the equation for the decimal multiplication model?

• 25 x 8 =200

• 0.25 x 8 = 0.20

• 0.8 x 25 = 2.0

• 8 x 0.25 = 2.00

Tags

CCSS.5.NBT.B.7

46.51 x 0.1

Mathematical Equivalence

ON

Tags

CCSS.6.NS.B.3

Which Equation matches the model? 

• .4 x .2 = 0.8

• 0.6 x 0.1 = 0.06

• 0.2 x 0.4 = 0.8

• 0.2 x 0.4 = 0.08

Tags

CCSS.5.NBT.B.7

9.4 x 8.6

Mathematical Equivalence

ON

Tags

CCSS.6.NS.B.3

The hundredths model in the figure is shaded to represent the multiplying of two numbers.

• 80 x 40 = 3,200

• 0.08 x 0.04 = 0.32

• 0.80 x 0.40 = 0.32

• 0.08 x 0.04 = 0.032

Tags

CCSS.5.NBT.B.7

The price of a gallon of gasoline is shown. How much does it cost to fill an empty 12.5-gallon gas tank?

The operation I will use to find the total cost to fill an empty tank is ​ (a)   .

The total cost to fill up the tank is ​ (b)   .

• addition

• multiplication

• $29.86

• $10.99

• $25.48

• $26.76

Tags

CCSS.6.NS.B.3