Back to Exercise: Interpret a multiplication equation as a comparison

Exercises: Interpreting Multiplication Equations as Multiplicative Comparisons

Work through each section in order. When a problem asks for an equation, write it exactly
in the form requested.

Grade 4·23 problems·~32 min·Common Core Math - Grade 4·standard·4-oa-a-1

Work through problems with immediate feedback

Recall / Warm-Up

Compute 4 x 3.

Compute 7 x 8.

Sara has 14 pencils. Mia has 6 pencils. How many more pencils does Sara have than Mia?

Fluency Practice

Maria has 4 times as many stickers as Tom. What does this comparison mean?

Tom's amount can be copied 4 times to make Maria's total -- Maria's amount is
4 equal groups of Tom's amount.

Maria has 4 more stickers than Tom.

Tom has 4 times as many stickers as Maria.

Maria's total is Tom's amount, plus 4 more groups the same size as Tom's amount,
added on top of Tom's own group (5 groups in all).

Which comparison statement correctly interprets the equation 42 = 6 x 7?

42 is 6 times as many as 7.

42 is 8 times as many as 7.

6 is 42 times as many as 7.

42 is 35 more than 7.

Given the equation 18 = 3 x 6, complete both comparison statements:
"18 is ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ times as many as 6" and "18 is ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ times as many as 3."

factor for the first statement:

factor for the second statement:

"40 is 8 times as many as 5." Complete the equation in the form
[large quantity] = [comparison factor] x [reference quantity]: ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ = ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ x ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ .

large quantity:

comparison factor:

reference quantity:

A pencil case holds 14 pencils. A pencil box holds 1 times as many pencils as the
pencil case. How many pencils does the pencil box hold?

A python is 9 times as long as a garter snake. The garter snake is 4 feet long. Which
equation represents the python's length p?

p = 9 x 4

p = 4 + 9

p = 9 x 9

4 = 9 x p

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