Word Problems
Mental Math
Multiply by 1 digit numbers
Multiplication
Partial Products
100

A red tree frog can jump up to 150 times its body length. Its body is 5 cm long. How far can this frog jump? 

750 cm 

100

Explain the basic fact and the answer.

80x 10=

8x1

800

100

673x4

2,692

100

317x9=

2,853

100

Solve this problem using partial products and be able to explain what all of the partial products are.


218x4

32+40+800=872

200

There are 1,250 seeds in each package. There are 5 packages. How many seeds are there in all?

6,250 seeds

200

Explain the basic fact and the answer.

90x90=

9x9

8,100

200

839x6

5,034

200

531x8=

4,248

200

Solve this problem using partial products and be able to explain what all of the partial products are.

411x2

2+20+800=822

300

Kinsey earns $54,635 a year. She purchases a snowmobile for $12,005. How much of Kinsey's earning does she have left?

$42,620

300

Explain the basic fact and the answer.

60x60=

6x6

3,600

300

2,367x 5

11,835

300

1,231x2=

2,462

300

Solve this problem using partial products and be able to explain what all of the partial products are.

2,148x3

24+120+300+6,000=6,444

400

Fred's Auto Sales purchases 3 new cars for $11,219, $31,611, and $18,204. What was the total cost for all the vehicles?

$61,034

400

Explain the basic fact and the answer.

20x30=

2x3

600

400

9,568x4

38,272

400

5x2,111=

10,555

400

Solve this problem using partial products and be able to explain what all of the partial products are.

2,136x4

24+120+400+8,000=8,544

500

A cat breeder has 6 german shepherds and 7 chocolate labs for sale. If all 13 dogs sell, how much money will the breeder earn? Explain 

Shepherds: $698

Chocolate Labs: $775

$9,536

500

Explain the basic fact and the answer.

70x70

4,900

500

9,987x7

69,909

500

3,674x3=

11,022

500

Solve this problem using partial products and be able to explain what all of the partial products are.

1,178x5=

40+350+500+5,000=5,890

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