Page 68 - Maths Class 03

3. Match the addition facts with their correct multiplication facts.

a. 2 + 2 + 2 i. 5 x 3

b. 5 + 5 + 5 + 5 ii. 2 x 3

c. 3 + 3 + 3 + 3 + 3 iii. 4 x 5

d. 6 + 6 + 6 iv. 3 x 2

e. 3 + 3 v. 5 x 2

f. 2 + 2 + 2 + 2 + 2 vi. 3 x 6

4. Change the order of the factors for each of the following and find the product.

a. 4 x 3 = _____________________ b. 5 x 4 = _____________________

c. 2 x 6 = _____________________ d. 6 x 3 = _____________________

e. 9 x 4 = _____________________ f. 5 x 6 = _____________________

g. 7 x 3 = _____________________ h. 8 x 4 = _____________________

i. 7 x 6 = _____________________ j. 2 x 3 = _____________________

k. 6 x 4 = _____________________ l. 8 x 6 = _____________________

5. Fill in the missing number for each of the following.

a. 1 x __________ = 6 b. 5 x __________ = 15

c. 3 x __________ = 12 d. 10 x __________ = 60

e. 2 x __________ = 6 f. 5 x __________ = 20

g. 3 x __________ = 18 h. 8 x __________ = 24

i. 9 x __________ = 36 j. 6 x __________ = 36

Multiplication of 2-Digit Numbers by 1-Digit Numbers

Example : Multiply 42 by 9.
H T O
Step 1 : Multiply the ones digit by 9.
1
4 2
2 x 9 = 18 ones = 1 ten 8 ones
x 9
Write 8 in the ones column and carry
8
over 1 to the tens column.

Mathematics-3 68