Comparing Methods for Calculations (Ex. 1)

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1. Question 1

   Multiple choice

   Which calculation gives the same answer as 99 × 6?

2. Question 2

   Multiple choice

   Which of these equals 25 × 16?

3. Question 3

   Multiple choice

   What is the best mental strategy for 198 + 347?

4. Question 4

   Sequence

   Different ways to make 100 by multiplying: 4 × 25 = 100 ; 2 × 50 = 100 ; 1 × 100 = 100 ; ___ × 10 = 100

5. Question 5

   True or false

   8 × 125 = 1,000.

More exercises in this module

• Comparing Methods for Calculations (Ex. 2)

• Order of Operations with Brackets (Ex. 2)

• Order of Operations with Brackets (Ex. 3)

• Comparing Methods for Calculations (Ex. 3)

• Order of Operations with Brackets (Ex. 1)