Additions 1
Place value
Subtractions
Predecessor and Sucessor
Additions 2
100

195 + 721

916

100

How many tens are in 235?

3 tens

100

20 - 10 =

10

100

predecessor of   2  ?

  1

100
100  + 5 =

105 one hundred and five.

200

200 + 328

528

200

How many ones are in 605?

5 ones

200

34 - 14 =

20

200

Sucessor of   87  ?

88

200

99 + 01 =

100 one hundred

300

375 + 158

533

300

How many tens are in 702 ?

0 tens

300

45 - 21 =

24

300

predecessor and sucessor of  65 ?

64 and 66

300

3 + 7 + 9 + 20 =

39

400

986 + 131

1117

400

How many hundreds are in 67?

0 hundreds

400

59 - 35 =

24

400

predecessor  and sucessor of  99 ?

98 and 100

400

207 + 236 =

443

500

578 + 872

1450

500

How many tens are in ten?

1 ten

500

96 - 33 =

63

500

predecessor and sucessor of 156 ?

155 and 157

500

24 + 11 + 10 + 24 = 

69