Rounding
Graphs
Addition/Subtraction
Multiplication/Division
100
Round 83 to the nearest 10.
80
100
How many books did Eric read?
25 books
100
357 + 564
921
100
Which expression could be used to solve the total number of soccer balls?
5 x 6
200
Round 289 to the nearest hundred.
300
200
How many students chose each activity:
S:
H:
F:
Swimming: 10 students
Hiking: 4 students
Fishing: 8 students
200
Which expression has the same sum as 340 + 220?
A. 300 + 4 + 200 + 2
B. 300 + 40 + 200 + 20
C. 3 + 40 + 2 + 20
D. 30 + 40 + 20 +20
B. 300 + 40 + 200 + 20
200
Write multiplication EQUATION to represent to total number of cupcakes.
5 x 4 = 20
300
Ms. Jaimes wants to solve 43 + 29 by rounding to the nearest 10. What problem did Ms. Jaimes solve using the rounded numbers?
40 + 30
300
544-26=
518
300
9 x 6 =
54
400
Round 138 to the nearest 10.
140
400
636-268=
368
400
7 x ___ =28
4
500
Ms. Jaimes wants to round 457 to the nearest hundred. Draw the number line that would best help her solve the problem.
500
There are 6 bags; each bag has an equal number of cookies in it. The total number of cookies in all of the bags is 18. How many cookies are in each bag?
3 cookies