Any Method
What's the Mistake?
Partial Products
Area Model
Word Problem
100

Use any method to solve the following problem:

169 x 4

676

100

Jenny says that 40 x 50 is 200.

What is Jenny's mistake? Use place value knowledge to explain


4 tens x 5 tens = 20 hundreds

20 hundreds is 2,000 not 200.

100

List the partial products for 12 x 10

20, 100

100

Use the area model to solve the following problem:

3,345 x 5

16,725

200

Use any method to solve the following problem:

256 x 3

768

200

The product of two factors is 4,200. One of the factors is 60. Robert says 7 is the missing factor. 

What is Robert's mistake? Use place value knowledge to explain.

6 tens x 7 tens = 42 hundreds which equals 4,200.

Robert's missing factor should be 70.

200

List the partial products for 23 x 17


21, 30, 140, 200 

200

Use the area model to solve the following problem:

7,653 x 7

53,571

200

Sergio has 4 times as many coins in his collection as Tina has in her collection. Tina has 19 coins in her collection. How many coins does Sergio have?

76 Coins

300

Use any method to solve the following problem:

4,846 x 4

19,384

300

Josh says the partial products of 32 x 16 are 3, 12, 20, and 180. 

What is his mistake? What is the correct partial product?

He multiplied the digits in the tens place. He should have multiplied the value of the digits in the tens place. 

The correct partial product is 300, not 3.

300

List the partial products for 85 x 31

5, 80, 150, 2,400

300

Use the area model to solve the following problem:

3,782 x 3

9,000+2,100+240+6

300

Rosie, Stella, and Tiffany are all on a bowling team. In a recent game, Stella scored twice as many points as Rosie. Tiffany scored 2 more points than Rosie. Rosie scored 70 points. What is the total number of points scored by all three women?

282 Points

400

Use any method to solve the following problem:

5,867 x 6

35,502

400

Brittany says the partial products of 14 x 27 are 28, 70, 20, and 80. 

What is her mistake? What is the correct partial product?

She multiplied the value of the 1 in 14 by the digit 2 in 27 instead of the value of the 2.

The correct partial product is 200. 

400

List the partial products for 94 x 57

28, 200, 630, 4,500

400

Use the area model to solve the following problem:

8345 x 3

24,000+900+120+15

400

Graham practiced piano for 135 minutes this morning . He practiced for 65 more minutes this afternoon . Altogether,Graham practiced 10 times longer today than he practiced yesterday . How many minutes did Graham practice piano yesterday?

20

500

Use any method to solve the following problem:

8,479 x 8

67,832

500

Ron says the following numbers are all factors of 32:

1, 4, 8, 12, 16, 30, 32.

List all of the correct factors of 32. 

1, 2, 4, 8, 16, 32

500

List the partial products for 123 x45

4,000, 800, 500, 120, 100, 15

500

Use the area model to solve the following problem:

5634 x 7

35,000+4,200+210+28

500

Ruth and Mari sold fruit baskets for a school fundraiser.Ruth sold 42 fruit baskets. Mari sold twice as many fruitbaskets as Ruth. They sold each fruit basket for $9 . What is the total amount of money Ruth and Mari made selling fruit baskets?

$1,134