Back to Exercise: Write simple expressions that record calculations with numbers

Exercises: Writing and Interpreting Numerical Expressions

Work through each section in order. In sections that say "without evaluating," do not compute the value
of any expression -- describe or compare its structure using words instead.

Grade 5·21 problems·~35 min·Common Core Math - Grade 5·standard·5-oa-a-2

Work through problems with immediate feedback

Recall / Warm-Up

Evaluate (8 + 7) x 2.

Evaluate 6 x (10 - 4).

What does "the sum of 6 and 9" mean?

6 + 9

6 x 9

6 - 9

6 / 9

Fluency Practice

Which expression matches this description? "Add 8 and 7, then multiply by 2."

2 x (8 + 7)

8 + 7 x 2

(2 x 8) + 7

2 + (8 x 7)

Which expression matches this description? "Subtract 3 from 10."

10 - 3

3 - 10

10 + 3

3 + 10

Which expression matches this description? "Divide 20 by 4."

20 / 4

4 / 20

20 x 4

20 - 4

Which expression matches this description? "The product of 6 and 9, decreased by 4."

(6 x 9) - 4

6 x (9 - 4)

4 - (6 x 9)

(6 - 9) x 4

Which expression matches this description? "The quotient of 15 and 3, plus 7."

(15 / 3) + 7

15 / (3 + 7)

7 + (3 / 15)

(7 + 15) / 3

Which expression matches this description? "Multiply the difference of 12 and 5 by 3."

(12 - 5) x 3

12 - (5 x 3)

(5 - 12) x 3

3 x 12 - 5

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