4th Grade Multiplicative Comparison Test Solutions and Scoring (PDF)

4th Grade math test solutions: Multiplicative Comparison – Maths PDF

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This multiplicative comparison test answers for 4th Grade covers multiplicative comparison (Common Core 4.OA.A.1, 4.OA.A.2), with a free PDF to print.

Use this answer key to score the test. Each solution shows the equation and the answer, and the scoring note tells how the points are awarded. Total: 20 points.

Grade 4 · Common Core State Standards: 4.OA.A.1, 4.OA.A.2

Multiplicative comparison test answers: worked solutions

Question 1 – Equations and sentences [2 pts]

36 is 9 times as many as 4. (Also correct: 36 is 4 times as many as 9.)
$56 = 7 \times 8$

Scoring: 1 point for each correct part.

Question 2 – More and times [2 pts]

$20 – 5 = 15$. Sofia has 15 more stickers than Mei.
$20 = 4 \times 5$. Sofia has 4 times as many stickers as Mei.

Scoring: 1 point for each sentence with the correct number.

Question 3 – Bar model [2 pts]

Three bars of 8 make 24.

$p = 3 \times 8 = 24$

24 pencils

Scoring: 1 point for the equation. 1 point for 24.

Question 4 – Unknown length [2 pts]

$21 = 7 \times s$. Divide: $s = 21 \div 7 = 3$.

Check: $7 \times 3 = 21$.

3 feet

Scoring: 1 point for the equation. 1 point for 3 feet.

Question 5 – How many times [2 pts]

$72 = n \times 9$. Divide: $n = 72 \div 9 = 8$.

Check: $8 \times 9 = 72$.

8 times as much

Scoring: 1 point for the equation. 1 point for 8.

Question 6 – Saving money [2 pts]

$4 \times 15 = 60$. $\$60.00$
$60 – 15 = 45$. $\$45.00$ more

Scoring: 1 point for each part.

Question 7 – Marble collection [3 pts]

Diego has three bars of 30.

$5 \times 6 = 30$. 30 marbles
$3 \times 30 = 90$. 90 marbles
$6 + 30 + 90 = 126$. 126 marbles

Scoring: 1 point for each part.

Question 8 – Find the mistake [3 pts]

$4 \times 6 = 24$. 24 stickers
“4 times as many” means multiply, but Ethan added 4. A multiplicative comparison needs multiplication.
$24 – 6 = 18$. 18 more stickers

Scoring: 1 point for each part.

Question 9 – Bus and van [2 pts]

$48 = n \times 6$. Divide: $n = 48 \div 6 = 8$.

Check: $8 \times 6 = 48$.

8 times as many

Scoring: 1 point for the equation. 1 point for 8.

Total score

Total

20 points

Key facts behind this multiplicative comparison test answers

Key facts

“A is n times as many as B” means A = n × B.
“More than” and “fewer than” are additive comparisons; “times as many” is multiplicative.
To find the bigger amount, multiply. To find the smaller amount or the number of times, divide.
Use a letter for the unknown, such as 28 = 4 × b.
A bar model with equal units shows the comparison clearly.

How to use this multiplicative comparison test answers

Score your test with the point values shown for each question. Then read the worked solution of every question where you lost points and note the method to review.

All Grade 4 chapters: Grade 4 math.

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