4th Grade Math Review

Shay has 6 coins. Noah has 8 times as many coins as Shay. Which equation shows how to find the number of coins that Noah has?

• 6 ÷ 8 =?

• 6 × 8 =?

• 6 − 8 =?

• 6 + 8 =?

Mary, John, and Ned collect coins.

Mary has 6 coins.

John has 4 times as many coins as Mary.

Ned has 8 times as many coins as Mary.

Complete the sentences.

John has _______________ coins. Ned has _______________ coins.

Which of the following are correct? Choose TWO that apply

• 3 × 6 = 18 18 is 6 times as many as 3

• 
• 7 × 4 = 28 7 is 4 times as many as 28

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Which shapes have parallel and perpendicular sides?

• isosceles trapezoid, square, rhombus

• rhombus, right trapezoid, parallelogram

• parallelogram, isosceles trapezoid, rectangle

• rectangle, square, right trapezoid

Look at the shape. Which sentence about the shape is correct?

• All the angles are right angles.

• It has four acute angles.

• It has two pairs of perpendicular lines.

• It has two obtuse angles.

Look at the figure. The missing angle in the figure is ______degrees and the total measure is ______ degrees.

• 30

• 55

• 105

• 115

• 60

Which describes a rectangle with a perimeter of 28 feet?

• A window frame has an area of 36 square feet, and the length of the frame is 6 feet.

• A room is 12 feet wide, and the area of the room is 48 square feet.

• Helen bought a new carpet that is 6 feet wide and has an area of 48 square feet.

• David makes a banner with an area of 42 square feet that is 14 feet wide.

Liz sewed a quilt with an area of 900 square inches. The length of the quilt is 30 inches. What is the perimeter of the quilt?

? < 45.54

Which decimal completes this number sentence?

• 54.54

• 45.45

• 45.54

• 54.45

Helen read a book in 8 hours. Donna read the same book in 2/3 as many hours as Helen. How many hours did it take Donna to read the book? Enter your answer as a fraction in the box below.