Math Problem Solving Quiz

The janitor sweeps 33 classrooms. There are 24 chairs in each classroom. How many chairs are there in all?

• 198

• 682

• 782

• 792

Cheri is training for a bike race. She rides 72 miles a day for 12 days. How far does she ride?

• 86 miles

• 144 miles

• 864 miles

• 986 miles

Mr. Blake drives 28 miles each day for 21 days. The last day he drives an additional 12 miles. Mr. Blake finds the number of miles he drives for the 21 days. If Mr. Blake uses rounding to check whether his answer is reasonable, which equation does he use?

• 20 × 20 + 10 = 410

• 30 × 20 + 10 = 610

• 40 × 20 + 20 = 820

• 30 × 30 + 20 = 920

The area model shows the product of two factors. What are the two factors? Select the two correct answers.

• 10

• 12

• 15

• 20

• 22

The area model shows part of the products of two numbers. What numbers will correctly complete the model?

Multiply: 16 × 43

Multiply: 48 × 31

Multiply: 50 × 19

Use the Distributive Property to multiply. Complete the equation to find the product. 18 × 40 = (___ × 40) + (8 × ___) = 400 + ____ = ____

What multiplication equation does the area model show?