Nearest 10
11 rounded to the nearest 10
140 rounded to the nearest 100
What is 100?
1, 3, 5, 7, 9
Add 2
9, 12, 15, ___
18
An even times an even is always...
39 rounded to the nearest 10
What is 40?
679 rounded to the nearest 100
What is 700?
1, 2, 4, 8, 16
1, 2, 3, ___, 5
4
An odd times an odd is always...
Odd!
95 rounded to the nearest 10
What is 100?
2,142 rounded to the nearest 100
What is 2,100?
Subtract 5
15, 30, 45, ___
60
An even times an odd is always...
Even!
167 rounded to the nearest 10
What is 170?
2,594 rounded to the nearest 100?
What is 2,600?
81, 27, 9, 3, 1
Divide by 3
10, 20, ___, 40, 50
30
Multiples of 10 always end in...
Zero!
1,089 rounded to the nearest 10
What is 1,100?
19,504 rounded to the nearest hundred
What is 19,500?
157, 257, 357, 457, 557, 657
Add 100
2, 8, ___, 128
32
Any number times 5 will end in... (2 choices)
0 or 5!