4. Divide and check your answer. (a) 32 ÷ 2 (b) 57 ÷ 4 (c) 76 ÷ 5 (d) 315 ÷ 6 (e) 906 ÷ 9 (f) 415 ÷ 2 (g) 521 ÷ 3 (h) 429 ÷ 4
Answer (1)
Let's go through each division problem step-by-step and then check our answers by multiplication.
(a) 32 ÷ 2
32 ÷ 2 = 16
Check: Multiply the quotient by the divisor: 16 × 2 = 32 . The calculation is correct.
(b) 57 ÷ 4
57 ÷ 4 = 14.25
Check: Multiply to confirm: 14.25 × 4 = 57 . The calculation is correct.
(c) 76 ÷ 5
76 ÷ 5 = 15.2
Check: Verify by multiplication: 15.2 × 5 = 76 . The calculation checks out.
(d) 315 ÷ 6
315 ÷ 6 = 52.5
Check: Confirm with multiplication: 52.5 × 6 = 315 . This is correct.
(e) 906 ÷ 9
906 ÷ 9 = 100.666... (or 100 3 2 as the fraction form)
Check: Multiplying 100 3 2 × 9 = 906 . The calculation is correct.
(f) 415 ÷ 2
415 ÷ 2 = 207.5
Check: Multiplying 207.5 × 2 = 415 . The result is correct.
(g) 521 ÷ 3
521 ÷ 3 ≈ 173.6667...
Check: Multiplying 173.6667 × 3 ≈ 521 . The division seems accurate.
(h) 429 ÷ 4
429 ÷ 4 = 107.25
Check: Verifying with multiplication: 107.25 × 4 = 429 . This works perfectly.
By dividing each number correctly and checking the products, we have ensured that all answers are accurate.
