Basic Facts
Estimates
Partial Products
Traditional Method (standard algorithm)
Word Problems
100

3 x 7

21

100

47 x 5

50 x 5 = 250

100

143 x 5

715

100

24 x 8

192

100

If Mia has 6 pets and Brianna has 5 times more pets than Mia. How many pets does Brianna have?

30 pets

200

6 x 8

48

200

89 x 4

 90 x 4 = 300

200

923 x 5

4,615

200

59 x 6

354

200

Daniel has 4 times more money than Livan. If Livan has $128, how much money does Daniel have?

$512

300

8 x 8

64

300

123 x 6

100 x 6 = 600

300

1,829 x 7

12,803

300

326 x 7

2,282

300

There are 329 students at Smalley School. If Mr. Edwards wants to give each student 3 pumpkin pies for Thanksgiving, how many pumpkin pies will Mr. Edwards need?

987 pumpkin pies.

400

5 x 9

45

400

589 x 7

600 x 7 = 4,200

400

2,674 x 9

24,066

400

2,674 x 9

24,066

400

Isaiah bought 5 books that cost $13 each. He also bought 3 skateboards that cost $27 each. How much money did he spend in total?

$146

500

6 x 9

54

500

1,987 x 8

2,000 x 8 = 16,000

500

9,538 x 6

57,228

500

9,538 x 6

57,228

500
Anna knows 654 songs on the piano. Mr. Kennedy knows 4 times as many songs on the piano as Anna knows. He also knows another 53 songs on the recorder. How many songs does Mr. Kennedy know in all?

2,669 songs.