word problem
tens and ones
more / less
subtract
add
100

Joey has 27 cars.  He gets 10 more.  How many cars does he now have?

37

100
Break down 22

20 + 2

100

10 more than 22

32

100

20 - 10

10

100

46 + 3

49

200

Kelly bakes 64 cookies.  She gets 30 more.  How many does she have?

94

200

Break down 34

30 + 4

200

10 more than 64

74

200

50 - 20

30

200

20 + 43

63

300

There are 30 people at the zoo.  32 more arrive.  How many are there?

62

300

Break down 48

40 + 8

300

10 less than 87

77

300

60 - 20

40

300

36 + 7

43

400

Katie has 46 apples.  Joe has 8.  How many apples do they have in all?

54

400

Break down 63

60 + 3

400

10 less than 76

66

400

80 - 30

50

400

20 + 34

54

500

There are 22 brown dogs, 10 white dogs and 36 black dogs.  How many dogs in all?

68

500

Break down 91

90 + 1

500

10 more than 99

109

500

90 - 20 - 10

60

500

49 + 15

64

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