Grade 6 Skill Standards: CCSS 6.EE.A.2.c

Operations Mastery Challenge (Grade 6)

The capstone mixes it all: order of operations, brackets, choosing operators, and working backward — often in two steps. The skill is fluency: reading what's asked, picking the right tool, and checking your answer by re-evaluating.

What it is

Understanding operations mastery challenge

The capstone mixes it all: order of operations, brackets, choosing operators, and working backward — often in two steps. The skill is fluency: reading what's asked, picking the right tool, and checking your answer by re-evaluating.

Key Idea

The capstone mixes it all: order of operations, brackets, choosing operators, and working backward — often in two steps. The skill is fluency: reading what's asked, picking the right tool, and checking your answer by re-evaluating.

Worked Example

Seeing it in action

1
Worked example

Evaluate (2 + 4) × 3 − 5.

Brackets first: 2 + 4 = 6. Then ×3: 18. Then −5: 13.

Visual model
0 13 18 (2+4)×3−5

Choose the right operation tool and check the result.

Interactive Check

Try a few

(10 − 4) ÷ 2 + 1
Answer: 4
3 × (2 + 5) − 4
Answer: 17
20 ÷ (2 + 2) × 3
Answer: 15

Ready for the interactive lab?

Practice operations mastery challenge in Numeris with instant feedback.

Practice this skill in the Lab

Put the reasoning on paper.

Try six fraction, angle, perimeter and area questions with explained answers, for grades 4–6.

Free printable · 3 pages
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