Self-Check & Correcting Errors (Ex. 1)

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1. Question 1

   Multiple choice

   Sam says 3 × 8 = 28. What is the correct answer?

2. Question 2

   Multiple choice

   Anna adds 257 + 348 and gets 595. What is the correct answer?

3. Question 3

   Multiple choice

   To check a subtraction answer, you can ___.

4. Question 4

   Sequence

   8× table: 8, 16, 24, ___.

5. Question 5

   True or false

   Checking your answer using inverse operations can help you find mistakes.

More exercises in this module

• Measurement, Fractions & Geometry in Context (Ex. 1)

• Measurement, Fractions & Geometry in Context (Ex. 3)

• Self-Check & Correcting Errors (Ex. 2)

• Extended Word Problems (Ex. 3)

• Self-Check & Correcting Errors (Ex. 3)

• Extended Word Problems (Ex. 2)