Back to Exercise: Use parentheses, brackets, or braces in numerical expressions

Exercises: Grouping Symbols in Numerical Expressions

Work through each section in order. Show the intermediate step (the expression after each group is
replaced by its value) before writing your final answer.

Grade 5·21 problems·~35 min·Common Core Math - Grade 5·standard·5-oa-a-1

Work through problems with immediate feedback

Recall / Warm-Up

Compute 8 x 6.

Compute 42 - 17.

Which equation shows the associative property of addition?

(2 + 3) + 4 = 2 + (3 + 4)

2 + 3 = 3 + 2

2 x 3 = 3 x 2

2 + 0 = 2

Fluency Practice

What do the parentheses tell you to do first in (6 + 4) x 3?

Add 6 and 4 first

Multiply 4 and 3 first

Add 4 and 3 first

It does not matter -- compute left to right

Compute (6 + 4) x 3.

Compute 20 - (3 x 4).

Compute (18 - 6) / 4.

Compute 3 + (20 / 4).

(9 - 5) x 3 = ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ x 3 = ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲

value of the group (9 - 5):

final answer:

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