Topic 8
Add 473 + 102.
575
456 – 238=__________
218
The rectangle is divided into 6 equal parts.
Which unit fraction represents each of the
equal parts?
1/6
Marilyn and Lee are painting a fence. So far, Marilyn has painted 1/6 of the fence, and Lee has painted 2/6 of the fence. Who has completed more of the fence?
Lee
Find the sum of 367 + 482.
849
Find the sum of 357 and 438.
795
Subtract 165 from 300.
A 85
B 135
C 160
D 465
B 135
Name the unit fraction that represents
each equal part of the rectangle.
1/8
Which fraction is closer to 0? 5/6 or 2/6
2/6
Estimate the difference of 754 - 329 by
rounding to the nearest 100.
500
Find the sum of 109 and 168 if both addends were rounded to the nearest ten.
280
756-319. Estimate the difference by rounding
to the nearest 10.
440
9. Name the unit fraction that represents
each equal part of the trapezoid. Then write
the fraction of the trapezoid that is shaded.
1/3; 2/3
Compare 5/6 and 5/8 without using fraction strips. Which fraction is greater?
5/6
When rounded to the nearest 10, this number will round to 50.
What are 2 possible numbers?
45, 46, 47, 48, 49, 50, 51, 52, 53, 54
What is the sum of 123 + 247 + 108?
478
A. Find the sum of 178 + 125.
B. Then subtract 85 from the sum. What is the
difference?
218
Kip drew a point on the number line below.
What fraction should he use to label the
point?
3/4
Olivia used colored ribbon for a craft project. She used 2/6 yard of green, 2/3 yard of red, and 2/4 yard of yellow.
Use benchmark fractions to arrange the lengths of the ribbons in order from shortest to longest ribbon.
2/6; 2/4; 2/3
Joey solved the problem 634 – 212. His work is
shown below.
What is Joey's error?
A. 634 – 200 = 434
B. 434 – 10 = 414
C. 414 – 2 = 412
His answer is 412.
B. 434 – 10 = 414
Select all the equations that are true: (3 correct)
A. 100 + 170 = 170 + 100
B. 0 + 93 = 93
C. (10 + 10) + 170 = 110 + (10 + 170)
D. 32 + (4 + 115) = (32 + 4) + 115
E. 43 + 0 = 0
A. 100 + 170 = 170 + 100
B. 0 + 93 = 93
D. 32 + (4 + 115) = (32 + 4) + 115
Which addends are broken apart
correctly? (1 correct)
A. 156 + 209
(100 + 200) + (50 + 10) + (6 + 9)
B. 156 + 209
(100 + 5) + (200 + 9) + (6 + 50)
C. 156 + 209
(100 + 200) + (50 + 0) + (6 + 9)
C. 156 + 209
(100 + 200) + (50 + 0) + (6 + 9)
Kip drew a point on the number line below.
What fraction should he use to label the
point?
5/8
Erika ate 1/4 of her birthday cake.
Write an equivalent fraction to represent the amount of her cake that Erika ate.
2/8
For this pair of fractions, write the equivalent whole number.
12/4 = 6/2 = ?
2, 3, or 5?
3