Rounding
What is 37 rounded to the nearest ten?
40
What is 23 + 14?
37
What is 50 - 22?
28
What is the expanded form of 43?
40+3
Sarah has 12 apples. She buys 8 more. How many apples does she have now?
20 apples
Round 84 to the nearest ten.
80
Calculate the sum of 148 and 32.
180
Calculate 190 - 34.
156
Write 127 in expanded form.
100+20+7
If a book costs $12 and you buy 3 books, what is a reasonable estimate of how much money you will spend?
$30
What is a reasonable estimate of the sum if you round to the nearest ten?
32+17
50
What is the sum of 56, 19, and 25?
100
What is the difference between 275 and 129?
146
What is standard form of 5 hundreds, 8 tens, and 3 ones?
583
Tim had 30 marbles. He gave 10 to his friend and then bought 15 more. How many does he have now?
35 marbles
Round 152 to the nearest 100.
200
If you add 267 and 328, what do you get?
595
If you subtract 58 from 300, what is the result?
242
Express 302 in expanded form.
300+2
There are 24 cookies. You eat 6 and then bake 12 more. How many cookies do you have?
30 cookies
What is 149 rounded to the nearest ten?
150
Find the sum of 135 and 289.
424
Find the difference between 650 and 263.
387
What is the expanded form of 4,285?
4000+200+80+5
A farmer has 100 chickens. 25 of them are sold, and he buys 15 more. How many does he have now?
90 chickens