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Standards Math Practice

Grade 8 · Building confidence · 8 questions · Version PG-1FZCTO5-1XZG

1.

Solve: 4x + 1 = 21.

2.

Solve: 9x + 1 = 28.

3.

Solve: 6x + 1 = 13.

4.

Solve: 10x + 1 = 51.

5.

Solve: 9x + 1 = 91.

6.

Solve: 2x + 1 = 23.

7.

Solve: 4x + 1 = 53.

8.

Solve: 6x + 1 = 61.

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 12
  1. Solve: 4x + 1 = 21.5
  2. Solve: 9x + 1 = 28.3
  3. Solve: 6x + 1 = 13.2
  4. Solve: 10x + 1 = 51.5
  5. Solve: 9x + 1 = 91.10
  6. Solve: 2x + 1 = 23.11
  7. Solve: 4x + 1 = 53.13
  8. Solve: 6x + 1 = 61.10

Worked example

Read the direction, identify the assessed skill, solve or cite evidence, and check the response.

Common mistake

Using a memorized procedure without checking what the question asks.

Helpful hint

Name the standard skill before answering.