# 5th Grade OAA Number Sense Questions: Question Preview (ID: 12990)

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Max knows that 60% of his classmates are girls. Which decimal represents 60%?
a) 60.0
b) 6.0
c) 0.60
d) 0.060

Which fraction is equivalent to 8/12?
a) 1/3
b) 1/4
c) 2/3
d) 3/4

Marco is simplifying fractions. Which fraction should he use to simplify 9/12 to lowest terms?
a) 2/2
b) 3/3
c) 9/9
d) 12/12

Which fraction is equivalent to 40%?
a) 1/5
b) 2/5
c) 3/5
d) 4/5

Colleen ran a race in 27.28 seconds. What is her time rounded to the nearest tenth of a second?
a) 27.0
b) 27.2
c) 27.3
d) 28.0

In 1928, Ethel won the Olympic women's high jump. The height of her jump in inches can be determined by this expression: 36 x 1 + 12 x 2. What was the height of her jump in inches?
a) 51 inches
b) 60 inches
c) 96 inches
d) 936 inches

Simplify: 3(4 +5)
a) 12
b) 17
c) 27
d) 60

Lin is displaying of 120 pictures. She can fit 10 pictures in each row. Lin can find the rows (r) with this equation: 10 x r = 120 Which equation could she use to find the answer?
a) 120 + 10 = r
b) 120 - 10 = r
c) 120 x 10 = r
d) 120 / 10 = r

Simplify : 9 / 3 + 6 x 5
a) 5
b) 6
c) 33
d) 45

The price of potatoes is \$0.59 per pound. The potatoes weigh 4.82 pounds. Which is a reasonable estimate for the cost of potatoes?