Sara had 120 stickers. Todd had 234 stickers. About how many stickers did they have, rounded to the nearest hundred?
300
100
Sara had 320 crayons and Todd had 457 crayons. How many more crayons did Todd have then Sara?
237
100
x x
x x x
x x x x
0 1 2 3 4
Number of siblings
How many students had 0 siblings?
3
100
16
Science * * * * * * * *
Reading * * * *
Math * *
Writing * * * * *
Each * stands for 2 people
How many students like Science best?
100
22
BROCCOLI 12
SPINACH 14
CORN 20
PEAS 22
How many students like Peas?
200
What is 568 rounded to the nearest hundred?
600
200
Estimate:
413
+270
680 or 700
200
4
x x
x x x
x x x x
0 1 2 3 4
Number of siblings
How many students had 3 or 4 siblings?
200
20
Science * * * * * * * *
Reading * * * *
Math * *
Writing * * * * *
Each * stands for 2 people
How many students like Science or Math?
200
34
BROCCOLI 12
SPINACH 14
CORN 20
PEAS 22
How many students like Spinach or Corn?
300
Ivan bought 453 markers. Lily bought 178. About how many markers do they have, rounded to the nearest ten?
630
300
Solve.
278
+498
776
300
2
x x
x x x
x x x x
0 1 2 3 4
Number of siblings
How many more students had 4 siblings then 1?
300
6
Science * * * * * * * *
Reading * * * *
Math * *
Writing * * * * *
Each * stands for 2 people
How many more students like Writing than Math?
300
22
BROCCOLI 12
SPINACH 14
CORN 20
PEAS 22
How many more students like Spinach and Corn than Broccoli?
400
What is 350 rounded to the nearest hundred?
400
400
Sam had 35 hot dogs and Betty had 27 hot dogs. Quinn had 17 hot dogs. How many more hot dogs do Sam and Betty have together then Quinn?
45
400
8
x x x
x x x x x
0 1 2 3 4
Number of books read
How many students read books?
400
38
Science * * * * * * * *
Reading * * * *
Math * *
Writing * * * * *
Each * stands for 2 people
How many students took the survey?
400
10
BROCCOLI 12
SPINACH 14
CORN 20
PEAS 22
How many more students like Peas than Broccoli?
500
What is 983 rounded to the nearest hundred?
1000
500
Pam had 312 books. Peter had 276 books. How many books do they have altogether?
588
500
3
x x x
x x x x x
0 1 2 3 4
Number of books read
How many students read less than 2 books?
500
14
Science * * * * * * * *
Reading * * * *
Math * *
Writing * * * * *
Each * stands for 2 people
How many students fewer students like Math and Reading than Science and Writing?
500
54
BROCCOLI 12
SPINACH 14
CORN 20
PEAS 22
How many students did not like Spinach?