Show:
First grade math
What is 4th grade math
100

67+45

110

100

What is 9x9

81

200

56+41

97

200

What is 6x6

36

300

10x10

100

300

What is 30x10

300

400

20x20

200

400

What is 800x10

8,000

500

5x5

25

500

What is 400+100

500