Page 89 - Start Up Mathematics_3

2. Write two multiplication facts for each division fact.

Division fact Multiplication facts
(a) 36 ÷ 9 = 4 ___________________ ___________________

(b) 42 ÷ 6 = 7 ___________________ ___________________

(c) 24 ÷ 4 = 6 ___________________ ___________________

(d) 12 ÷ 1 = 12 ___________________ ___________________

(e) 40 ÷ 8 = 5 ___________________ ___________________

Long Division
Common Mistake!
Long division method is useful for dividing big
numbers. In this, we write the division sum as Write quotient according to
shown. Then use the multiplication tables to find the place value.
quotient. 8 ()
9 72
Example 5: Divide 72 by 9. – 72
0
Solution: As, 9 × 8 = 72, so 8 is the quotient.
Write 72 below the dividend and subtract.

8 8 ← Quotient (result of division)
9 72 Divisor → 9 72 ← Dividend (number to be divided)

– 72 (number with
0 which to divide)

So, 72 ÷ 9 = 8.

Concept of Remainder Mental Maths

Remainder is the number which is left over when the (a) What is the remainder
divisor does not divide the dividend completely. when 19 burgers are
divided in groups of 2?

7 ← Quotient (b) What is the remainder
Divisor → 2 15 ← Dividend when 11 stickers are
– 14 divided in groups
1 ← Remainder of 3?

We can check division by using the following formula.

Dividend = (Divisor × Quotient) + Remainder

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