Page 88 - Touchpad Mathematics_Ver1.0_C4

Mental Maths

Choose the correct option. 21 st
Century #Critical Thinking
Skills
1. Which multiplication fact is correct?
a. 9 × 8 = 55 b. 7 × 8 = 64 c. 6 × 7 = 48 d. 8 × 9 = 72

2. Which of the following gives the product 72?
a. 8 × 8 b. 9 × 9 c. 8 × 9 d. 7 × 10
3. The missing number for 10 × ? = 70 is:

a. 9 b. 8 c. 7 d. 6
4. Which of the following products is the smallest?
a. 9 × 6 b. 8 × 5 c. 7 × 7 d. 10 × 5

5. Which of these statements is correct?
a. 9 × 8 = 74 b. 6 × 7 = 42 c. 10 × 9 = 80 d. 5 × 9 = 50

HOTS
21 st
Century #Subject Enrichment
Skills
Complete the multiplication grids by writing the numbers at the correct position.

1. × 2. × 6

27 81 54 9 45 27

24 72 48 4 20 24 12

21 63 42 10 6

9, 6, 3, 8, 7, 9 5, 54, 12, 2, 3

Puzzle 21 st
Century
Skills #Critical Thinking
Move one matchstick to make the answer correct.

86 Mathematics 3