MULTIPLICATION BASICS
DECIMAL MULTIPLICATION
DIVISION AND ESTIMATION
WORD PROBLEMS
CHALLENGE
100

This is the product you get when you multiply 42 x 1,000

what is 42,000

100

When multiplying decimals, students use place value and this concept to estimate products.

What is rounding?

100

This is the result called when a number is divided by another.

What is the quotient?

100

Robin is 11; Gwen is 2 more than 3 times Robin’s age. Gwen is this many years old.

What is 35?

100

(3.6 × 24) ÷ 6

What is 14.4 

200
Before using the standard algorithm, students use this type of model to show partial products?

What is an area model?

200

The product of 3.1 × 4 using this shows how many groups of 4 are in 3.1.

what is 12.4?

200

431 ÷ 58 ≈ this value when rounding

What is 7?

200

A recipe calls for 3.5 cups of flour per batch. How much flour for 4 batches?

What is 14 cups?

200

A store earns $1,248 in a day. If each customer spends exactly $16, how many customers visited?

What is 78 customers?

300

Rounding 58 x 73 to the nearest ten, this is the product you might estimate?

What is 4,200

300

To multiply a decimal by 10, 100, or 1,000, your digits move place values towards what direction

What is to the left?

300

To divide 420 ÷ 60, students first divide by 10 then by this number.

What is 6?
300

If 8.4 ÷ 0.7 = ?, you find how many groups of 0.7 are in 8.4.

What is 12?
300

A jar contains 3,600 beads. Each bracelet uses 48 beads.
How many bracelets can be made?

What is 75 bracelets?

400

The property that allows you to regroup factors?

What is the associative property?

400

When multiply 42 x 72 using the standard algorithm, what are the partial products?

What is 84 & 2870?

400

63 x 408

What is 25,704?

400

A car travels 264 miles in 3 hours at a constant speed. What is the rate per hour?

What is 88 miles per hour?

400

Mia bought 6 notebooks that cost $2.89 each.
How much did she spend?

What is $17.34

500

A factory makes 248 toy cars per day. How many toy cars does it make in 37 days?

what is 9,176 toy cars?

500

Estimate then solve 3.84 x 7

What is 4x7=28 Exact Answer 26.88

500

2,304 ÷ 48

  • Estimate: 2,400 ÷ 50 = 48

  • Exact Answer: 48


500

A ribbon is 2.75 meters long. How long are 9 ribbons of the same length?

What is 24.75?

500

A group of students share 6.5 liters of juice equally into 25 cups.
How much juice is in each cup?

0.26 liters per cup?