Halfway Point
Rounding to Nearest 10
Rounding to Nearest 100
100
45
What number is halfway between 40 and 50?
100
15, 16, 17
What are some numbers that round to 20?
100
98, 99,101,102
What are some numbers that round to 100?
200
65
What number is halfway between 60 and 70?
200
25, 26, 27
What are some numbers that round to 30?
200
190, 195, 199
What are some numbers that round to 200?
300
85
What number is halfway between 80 and 90?
300
21, 22, 23
What are some numbers that round to 20?
300
598, 599, 630, 640
What are some numbers that round to 600?
400
105
What number is halfway between 100 and 110?
400
85, 86, 87,88,89
What are some numbers that round to 90?
400
801, 830, 820
What are some numbers that round to 800?
500
345
What number is halfway between 340 and 350?
500
48, 49, 51, 52
What are some numbers that round to 50?
500
904, 945, 930
What are some numbers that round to 900?
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