adding/subtracting decimals
multiplication
time
place value
simplify fractions
100

465.19 + 223.17

688.36

100

25x4

100

100

15 after 2 

2:15 

100

what place is the 4 in 5,642

tens

100

10/50 

1/5 

200

789.22 - 115.45

673.77

200

37x9

333

200

15 til 2

1:45

200

what place is the 7 in 87,012

thousands

200

4/8

1/2

300

876.10 + 155.23

1,031.33

300

65x8

520

300
half hour til 6 

5:30

300

what place is the 5 in 1,245

ones

300

25/100

1/4

400

888.88 - 555.55

333.33

400

49x7

343

400

ten til 6

6:50

400

what place is the 3 in 26,311

hundreds

400

15/30

1/2

500

1,025.60 + 7,892.33

8,917.93

500

22x15

330

500

15 after 8 

8:15

500

what place is the 1 in 15,842

ten thousands 

500

5/40

1/8

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