3 digit by Two digit
Mental math
Exponents
Estimating Products
2 digit by 2 dight
100

122 times 10

what is 1220

100

25× 5

 

what is 125

100

23

what is 8


100

43 × 32

what is 1200

40 × 30


100

12 × 12

what is 144

200

226 times 10

what is 2260

200

11× 25


 

what is 275

200

42

what is 16

200

35 × 57

what is 2400

40 × 60

200

14 × 12

what is 168

300

341 times 40

what is 13640

                             

300

112× 10

what is 1120

300

34

what is 81

300

63 × 51

what is 3000

60  × 50

300

20 × 12

what is 240


400

621 times 11

what is 6831


400

620×7


what is 4340


400

102

what is 100

400

80 × 94

what is 7200

80  × 90

400

64 × 22

what is 1408

500

510 times 88

what is 44880

                                                                

 

500

100× 12343


what is 1,234,300

500

105

what is 100,000

500

94 × 93

what is 8100

90 × 90

500

36 × 46  

what is 1656

                                                        

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