There are 87 kids in third grade and 82 kids in fourth grade. About how many kids are in both grades?
90+80 = 170
What is the sum of 333 +128
461
What is the sum using rounding? 611 +323
900
Allison has three board games, but gets two new board games for her birthday. How many board games does she have?
3+2=5
431 - 201=
230
About how many cookies are left if there are 234 cookies in the bakery and 146 cookies are sold?
230 + 150 = 380 cookies
What is the sum of 265 +423
688
What is the sum using rounding? 248+174
400
Ron has 13 yellow apples and 25 red apples. How many apples does he have altogether?
13+25=38
Solve.
1,900 - 456=
1,444
Mr. Armstrong invited 36 people to his birthday party. 18 said they could not make it. Estimate how many people will be at his party.
40 - 20 = 20
What is the sum of 192 +439
631
What is the sum using rounding? 1,659 +2,205
4,000
Marsha bought 24 eggs. She used 8 for breakfast. How many eggs does she have now?
24-8=16
Solve.
780 - 532=
248
We have been in school for 65 days. There are 187 days of school. Estimate how many days are left.
190 - 70 = 120 days
What is the sum of 734 +169
903
What is the sum using estimation? 2,798 +4,568
8,000
Jill bought 2 oranges, 3 apples, and 9 bananas. How many more bananas than oranges did she buy?
9-2=7
Solve.
951 - 367=
584
Meliza bought 13 hats. Ms. D bought 5 hats and Brandon bought 7. About how many hats are there in all?
30
What is the sum of 612 +308
920
What is sum using rounding? 6,647 +5,874
12,000
Mr. Lee is 53 years older then his 8 year old grandson. How old is Mr. Lee?
53+8=61
Solve.
1,300 - 962=
338