math

fractions 1\2

100

1\2 + 1\2

one hole

200

2\3 + 2\3

4\3

300

3\5 - 13

4\15

400

2\9 + 59

7\9

500

3\5 - 1\3

4\15

multiplication

100

12 x 12

24

200

33 x 25

825

300

27 x 16

432

400

35 x 21

735

500

17 x 32

544

Decimals 1.2

100

1.6 + 1.6

3.4

200

7.92 - 4.42

3.50

300

412.999 - 179.010

233.989

400

8 divided by 99.2

12.4

500

2.35 divided by 5

.47

dividing decimals by hole numbers using standard algorithm

100

5 divided by 2.87

.574

200

37 divided by 7,770

0210

300

6 divided by 7,536

36

400

5 by 337.70

67.54

500

4 by 52.300

13.015

turtle head

100

27 x 65

1755

200

20 x 15

315

300

1755 x 1620

5700

400

94 x 31

2914

500

27 x 65 

1.755