Self-Check & Correcting Errors (Ex. 2)

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1. Question 1

   Multiple choice

   Tom says 1/3 of 18 = 4. What is the correct answer?

2. Question 2

   Multiple choice

   Emma writes 245 − 127 = 128. Is she correct? The correct answer is ___.

3. Question 3

   Multiple choice

   Which of these calculations has an error?

4. Question 4

   Sequence

   Self-check addition chain: 2+3=5, 5+3=8, 8+3=11, 11+3=___.

5. Question 5

   True or false

   It is important to re-read a problem to make sure you answered the right question.

More exercises in this module

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

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

• Extended Word Problems (Ex. 3)

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

• Self-Check & Correcting Errors (Ex. 1)

• Extended Word Problems (Ex. 2)