Multiplication and division

Area model

100

17x8

163

200

33x33

1089

300

479x4

1916

400

24678x2

49356

500

Wager bonus (up to 600)

Find a 1x2 digit that has 8 in the ones place.

What is the remainder

100

678÷5

3

200

589÷6

1

300

764÷9

8

400

999÷7

5

500

1783÷8

7

Algorithm

100

78x43

3354

200

1115÷5

223

300

7890x7

55230

400

Wager bonus (up to 600)

do the last question you did and do it in standard algorithm and inverse operation 

500

857÷6

142R5

Check

100

69x69=4761 True or false

true

200

420÷6

remainder is 9

False

300

Wager bonus (up to 600) Find the real answer

958689x5=5894225

4793445

400

5793/8

724R2

True or false

False 724R1

500

j=9 x+3=10002 

x times j =89991

True or false

True