Measuring and Adding Angles: Grade 4 Math Test – PDF Download

Question 1: Turns and degrees (2 points)

Use the circle.

1. Write the number of degrees in a half turn. (1 point)
2. Write the fraction of a circle that an angle of \(90^{\circ}\) turns through. (1 point)

Question 2: One-degree angles (2 points)

1. An angle opens through 110 one-degree angles. Write its measure. (1 point)
2. An angle measures \(60^{\circ}\). Write the number of one-degree angles that make it. (1 point)

Question 3: Reading a protractor (2 points)

Use the protractor. Ray A lies on the 0 mark.

1. Find the measure of the angle formed by rays A and C. (1 point)
2. Find the measure of the angle formed by rays A and B. (1 point)

Question 4: Rays not on zero (2 points)

Find the measure of the angle formed by rays P and Q. Show how you found it.

Question 5: Draw an angle (3 points)

Use a protractor to draw an angle of \(70^{\circ}\) with the vertex at the dot and the ray shown as one side.

1. Draw the angle. (2 points)
2. Label the angle with its measure. (1 point)

Question 6: Adding angle measures (2 points)

Ray OD splits angle AOB into two angles. Find the measure of angle AOB.

1. Write an equation. (1 point)
2. Solve it. (1 point)

Question 7: Unknown angles (3 points)

Find the measure of each unknown angle.

1. The square corner measures \(90^{\circ}\). Find x. (1 point)
   

2. The angles on the straight line add up to \(180^{\circ}\). Write an equation and find y. (2 points)
   

Question 8: Equation with a letter (2 points)

Angle ABC measures \(142^{\circ}\). Ray BD splits it into angle ABD, which measures \(87^{\circ}\), and angle DBC. Write an equation with a letter for the measure of angle DBC and solve it.

Question 9: Angle on a clock (2 points)

The 12 numbers on a clock are equally spaced. Use the clock showing 5:00.

1. Find the measure of the angle formed by the hands. (1 point)
2. Find how many degrees greater it is than a quarter turn. (1 point)

⬇ Download the Grade 4 Measuring and Adding Angles test (PDF, 86 KB)

See every chapter on the Grade 4 math page.