Reciprocals, fraction division and decimals
Answers are for parents and teachers.
1
Find 3/8 ÷ 3/4.
3/8 × 4/3 = 12/24 = 1/2.
2
Find 2 2/3 ÷ 4/9.
2 2/3 = 8/3. Then 8/3 × 9/4 = 72/12 = 6.
3
Find 15.6 × 0.5.
156 × 5 = 780, with 2 decimal places: 7.80 = 7.8.
4
Find 2.52 ÷ 0.36.
Multiply both by 100: 252 ÷ 36 = 7.
5
A kilogram of lentils costs 18 LE. What do 2.5 kg cost?
18 × 2.5 = 45 LE.