How Many?
Addition
Subtraction
What's the number?
ten more then less
100

sum of 1 ten and 8 tens?

9 tens or 90

100

25 + 31

56

100

20 - 10 = 

10

100

6 tens 8 ones in standard form

68

100

30 + 10

40

200
the standard form of 3 hundreds + 6 tens + 9 ones
What is 369
200

48 + 9 = 

57

200

55-30

25

200

the standard form of 5 tens and 7 ones

What is 57?

200

10 less than 50

40?

300

the value of 8 in the following number 837

8 hundred

300

65+12 = 

77

300

87-20

67

300

7 ones and 2 tens

27

300

10 bigger than 80

What is 90?

400

The number that is 10 more 306

What is 316?

400

44 + 27

71

400

60 + 5

65

400

11 ones and 7 tens

81

400

10 more than 72

82?

500

What is 135 in expanded form?

100+30+5 ?

500

25 + 58

83

500

86-14

72

500

6 tens 25 ones

85

500

10 less than 128 

118