Decimal Multiplication in 5th Grade GO Math

What is the essential question discussed in the introduction?

• How to divide decimals

• How to subtract decimals

• How to use a model to multiply decimals

• How to add decimals

If Charlene rides her bike 7/10 of the distance to school, which is 8/10 of a mile, how far does she ride?

• 0.72 miles

• 0.64 miles

• 0.78 miles

• 0.56 miles

What does each small square represent when multiplying decimals using a decimal square?

• One thousandth

• One whole

• One hundredth

• One tenth

Why is the product of two decimals less than either factor?

• Because one factor is less than one

• Because both factors are greater than one

• Because both factors are less than one

• Because one factor is greater than one

How many tenths are in one and four tenths?

• 10 tenths

• 12 tenths

• 14 tenths

• 16 tenths

Rachel buys 1.5 pounds of grapes and eats 0.3 pounds on Tuesday and 0.2 pounds on Wednesday. How many pounds are left?

• 1.0 pounds

• 0.85 pounds

• 0.75 pounds

• 0.95 pounds

A large bottle contains 1.2 liters of olive oil, and a medium bottle has 0.6 times that amount. How much more does the large bottle contain?

• 0.60 liters

• 0.72 liters

• 0.48 liters

• 0.36 liters

Whose model makes sense when finding 3/10 of 5/10?

• Randy's model

• Stacy's model

• Both models

• Neither model

What error did Stacy make in her model?

• She shaded three columns instead of rows

• She shaded ten columns instead of five

• She shaded three rows instead of columns

• She shaded five columns instead of three

How do you write 2/10 times 6/10 as a decimal?

• 0.12

• 0.20

• 0.06

• 0.18