Division of Two-Digit by One-Digit Numbers With Easy Dividends
[Dividends with both digits easily divisible by divisor] Reminder: 48 ÷ 4 = 12; in this case, 48 is the dividend, 4 is the divisor and 12 is the quotient. For problems such as 48 ÷ 2, split 48 into tens and ones. 48 = 4 tens plus 8 ones or 40 + 8. Divide the tens and ones by the divisor, 2, then combine. 48 ÷ 2 = [40 ÷2] + [8 ÷2] = 20 + 4 = 24. Practice 1: 69 ÷ 3 69 = 60 + 9 60 ÷ 3 = (20) 9 ÷ 3 = (3) (20) + (3) = (23) Practice 2: 86 ÷ 2 86 = (80) + 6 (80) ÷ 2 = (40) (6) ÷ (2) = (3) (40) + (3) = (43)
Solve Mentally: 1. 48 ÷ 4 2. 66 ÷ 3 3. 99 ÷ 9 4. 68 ÷ 2 5. 96 ÷ 3 6. 46 ÷ 2 |