Rounding and Estimating
Addition and Subtraction
Multiplication and Division
Word Problems with Four Operations
Strategies
100
What is 465 rounded to the nearest ten?
a. 470
b. 400
c. 460
d. 500
a. 470
100
What is the missing number in this number sentence?
256 + ____ = 581
a. 325
b. 335
c. 737d. 837
a. 325
100
2 x 6 =
12
100
This weekend, Justin rode his bike 18 miles on Saturday and 9 miles on Sunday. Last weekend, he rode his bike a total of 46 miles. What is the difference between the number of miles Justin rode his bike last weekend and the number of miles he rode his bike this weekend?
a. 27 miles
b. 73 miles
c. 19 miles
d. 29 miles
c. 19 miles
100
What is one multiplication sentence AND one division sentence that represents the total number of cookies on the tray?
4 x 5 = 20
5 x 4 = 20
20 ÷ 5 = 4
20 ÷ 4 = 5
200
What is 849 rounded to the nearest hundred?
a. 800
b. 840
c. 850
d. 900
a. 800
200
851 - 628 =
223
200
5x5=
25
200
Ian is reading a chapter book. He read a different number of pages each day for a week.
- on Monday, he read 12 pages
- on Tuesday, he read 8 pages
- on Wednesday, he read 17 pages
-on Thursday, he read 6 pages
-on Friday, he read 14 pages
Which number sentence correctly shows how he can round to the nearest 10 to estimate the number of pages he read for this week?
a. 10+10+10+10+10=50
b. 15+10+20+10+20=75
c. 10+10+20+10+10=60
d. 10+10+10+10=40
c.10+10+20+10+10=60
200
Which picture shows 5 groups of 6?
a.
b.
C.
D.
300
Which number, when rounded to the nearest ten, rounds to 150?
a. 144
b. 146
c. 155
d. 161
b. 146
300
Lee's number has 4 hundreds, 3 tens, and ones. He subtracts 129. What should Lee have in the tens place of his answer?
a. 0
b. 1
c. 2
d. 3
a. 0
300
80 ÷ 10 =
8
300
Mr. Pruitt's class has 24 students. During center time, an equal number of students go to each center. These are the centers in Mrs. Pruitt's classroom:
- listening center
- reading center
- writing center
- math center
How many students go to each center?
a. 8
b. 6
c. 7
d. 4
b. 6 students at each center
300
Which expression models the multiplication problem 6 x 7?
A. 7 + 7 + 7 + 7 + 7 + 7
B. 7 × 7 × 7 × 7 × 7 × 7
C. 6 + 7 + 6 + 7 + 6 + 7
D. 6 + 6 + 6 + 6 + 6 + 6
A. 7 + 7 + 7 + 7 + 7 + 7
400
Jamie wants to solve the problem 68+34 by rounding the numbers to the nearest ten. What problem did Jamie solve using the rounded numbers?
a. 70 + 40
b. 60 + 30
c. 70 + 30
d. 60 + 40
c. 70 + 30
400
one thousand, two hundred, thirty six minus one hundred fifty six
1080
400
What is the value of 3 x 90?
a. 180, because 3 x 9 = 18 and 18 x 10 = 180
b. 240, because 3 x 9 = 24 and 24 x 10 = 240
c. 270, because 3 x 9 = 27 and 27 x 10 = 270
d. 360, because 3 x 9 = 36 and 36 x 10 = 360
c. 270, because 3 x 9 = 27 and 27 x 10 = 270
400
A teacher had a bag of 32 cubes. He put the cubes into 4 equal groups. He took more cubes from a second bag, and he put 2 more cubes in each group. Which equation can be used to find c, the number of cubes in each group?
a. c=32÷2+4
b. c=32÷4x2
c. c=32÷4÷2
d. 32÷4+2
d. 32÷4+2
400
Which could be used to find the answer to 42 divided by 7?
42 ÷ 7
a. 42 + 7
b. 7 x 7
c. 7 x 6
d. 42 - 7
c. 7 x 6
500
Nia rounded two numbers correctly to the nearest hundred and put them in a number sentence. Her number sentence is 200 + 300 =
Which pair of numbers could Nia have rounded?
a. 149 + 344
b. 149 + 351
c. 159 +344
d. 159 + 351
c. 159 + 344
500
584 + 38 = 600 + _____
22
500
Write four number sentences with these three numbers that are in the same fact family.
7, 6, 42
6 x 7 = 42
7 x 6 = 42
42 ÷ 6 = 7
42 ÷ 7 = 6
500
Alma had four ants in her ant farm. She found three more ants outside and put them in the ant farm. She wanted to know how many legs all of the ants had. She knew that each ant had six legs. How many legs do the ants have all together?
a. 48
b. 42
c. 36
d. 24
b. 42
500
Which picture shows 30 flowers split equally between 5 friends?
A.
B.
C.
D.
D.