Multiplication and Review Practice

Multiplication (area model)

100

14 x 15 

210

200

21 x 43 

903

300

28 x 35

84

400

125 x 40

5,000

500

252 x 24

6,048

Multiplication (standard)

100

65 x7 

455

200

12 x15

180

300

26 x 14

364

400

35 x 35

1,225

500

864 x 34

29,376

True or False

100

6 tens = 2 tens x 3 tens

TRUE

200

44 x 40 x 10 = 440 x 2

FALSE

300

86 ones x 90 hundreds = 86 ones x 900 tens

FALSE

400

125 x 40

5,000

500

64 x 8 x 100 = 640 x 8 x 10 

TRUE

Round/Estimate

100

597 x 52 = 

                        x                            =                 

600 x 50 = 3000

200

1,103 x 59 = 

                     x                     =                   

1000 x 60 = 60,000

300

89 tens x 63 tens

                     x                     =                     

90 x 60 = 540 

400

398 hundreds x 52 tens

400 hundreds x 50 tens = 20,000,0000

500

Michael saves $423 for college each month. About How much will he have in a year? 

Think how many months are in a year? 

400 x 12 = $4,800

 or 

400 x 10 = $4,000

Write the numerical expression

100

The sum of 8 and 7, doubled

(8 + 7) x 2

200

The sum of 3 sixteens and 2 nines

(3 x 16) + (2 x 9) =

300

Triple the sum of 33 and 27

3 x (33 + 27)

400

Compare

24 x (20 + 5)                (20 + 5) x 12

>

500

18 x 27                       20 twenty sevens minus 2                                                   twenty sevens

=