4th Grade Math Review

Juan plans to use a strategy to find 12 x 380. Which expression shows a strategy he could use?

• 3 x 4 x 38

• 4 x 4 x 380

• 12 x 0 x 380

• 3 x 4 x 380

Kate's family saved 2,573 pennies last year. Zoe's family saved 3 times as many. How many pennies did Zoe's family save last year?

• 8,519

• 7,729

• 7,719

• 7,519

A factory can make 3,848 pencils in one hour. Which is the best estimate of how many pencils can be made in 4 hours?

• 160,000 pencils

• 16,000 pencils

• 12,000 pencils

• 1,600 markers

Julia lives 0.3 mile from the park. Which fraction is equivalent to 0.3?

• $\frac{1}{3}$

• $\frac{3}{10}$

• $\frac{3}{100}$

• $\frac{0}{3}$

• obtuse angle

• acute angle

• right angle

• straight angle

Eric put two angles together to form a straight angle. One angle measures 115º. What is the measure of the other angle?

• 65º

• 75º

• 85º

• 95º

A picture called a mosaic was made from 172,435 small clay tiles. What is the value of the digit 2 in 172,435?

• 200

• 2,000

• 20,000

• 200,000

Maya used number tiles to make the number 428,745. Then she changed two digits to make the number 427,845. Which statement about these numbers is correct?

• 428,745 < 427,845

• 427,845 = 428,745

• 427,845 > 428,745

• 427,845 < 428,745

An amusement park had 56,437 visitors the first year and 48,319 visitors the second year it was open. What was the total number of visitors for both years?

• 114,756 visitors

• 104,756 visitors

• 104,746 visitors

• 94,746 visitors

The lunch room at Diane's school has a perimeter of 300 feet. The length of the room is 85 feet. What is the width of the room?

• 50 feet

• 65 feet

• 75 feet

• 150 feet