4th Grade Adding and Subtracting Fractions and Mixed Numbers Test with Point Values (PDF)

4th Grade math test: Adding and Subtracting Fractions and Mixed Numbers – Maths PDF


This test checks adding and subtracting fractions and mixed numbers with like denominators, decomposing fractions, and word problems. It has 9 questions worth 20 points. Allow 45 minutes and no calculator.
About this test
  • Grade: Grade 4
  • Chapter: Adding and Subtracting Fractions and Mixed Numbers
  • Standards: 4.NF.B.3a, 4.NF.B.3b, 4.NF.B.3c, 4.NF.B.3d
  • Time: 45 minutes
  • Total: 20 points

Question 1 – Like denominators [2 pts]

Find each sum or difference.

  1. \(\frac{3}{10} + \frac{6}{10}\) (1 point)
  2. \(\frac{11}{12} – \frac{4}{12}\) (1 point)

Question 2 – Decompose [2 pts]

The strip shows \(\frac{7}{8}\).

7/87 of 8 equal parts shaded
A strip cut into eighths.

Write \(\frac{7}{8}\) as a sum of two fractions in two different ways.

Question 3 – Mixed number picture [2 pts]

The picture shows a mixed number.

2 wholes and 3/5
Strips cut into fifths.

Write the mixed number. Then write it as an improper fraction.

Question 4 – Convert [2 pts]

(a) Write \(\frac{17}{6}\) as a mixed number. (1 point)

(b) Write \(3\frac{1}{2}\) as an improper fraction. (1 point)

Question 5 – Add mixed numbers [2 pts]

Add: \(2\frac{5}{8} + 3\frac{6}{8}\).

Question 6 – Subtract mixed numbers [2 pts]

Subtract: \(6\frac{2}{5} – 3\frac{4}{5}\).

Question 7 – Hiking trail [3 pts]

A hiking trail is \(5\frac{2}{10}\) miles long. Diego has hiked \(2\frac{7}{10}\) miles.

5 2/10 miles2 7/10?
A tape diagram of the trail.
  1. How many miles are left? (2 points)
  2. The next day Diego hikes \(1\frac{8}{10}\) more miles. How many miles are left then? (1 point)

Question 8 – Farmers market [3 pts]

Aisha bought \(1\frac{3}{4}\) pounds of apples, \(2\frac{2}{4}\) pounds of pears and \(\frac{3}{4}\) pound of grapes.

  1. How many pounds of apples and pears did she buy? (1 point)
  2. How many pounds of fruit did she buy in all? (1 point)
  3. Her bag holds 6 pounds. How much more can fit? (1 point)

Question 9 – Mia's mistake [2 pts]

Mia says \(\frac{2}{5} + \frac{2}{5} = \frac{4}{10}\). Explain her mistake and give the correct sum.

View solution

All Grade 4 chapters: Grade 4 math.

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