Solve these questions. Show your working clearly. Each question carries 4 marks
1. Find the sum of each series by paring two numbers that make up a sum of tens.
a. 2 + 3 + 4 + 5 + 6 + 7 + 8
b. 2 + 3 + 4 + 5 + 15 + 16 + 17 + 18
c. 1 + 3 + 5 + 7 + 13 + 15 + 17 + 19 + 20
d. 12 + 14 + 16 + 24 + 26 + 28
2. Find the missing numbers.
a.
b.
c.
d.
3. Given the time, draw the hour and minute hands on each clock.
a. 6.00
b. 3.00
c. 8.00
4. Sam is 7 years old. His sister is 10 years old. How many years younger is Sam than his sister in 5 years’ time?
5. A seaman needs to tie 6 ropes together to make a long rope. How many knots are there altogether? Assume both ends of the long rope are not tied together.
Week 1: Olympiad Maths Trainer (Terry Chew), age 7 – 8 – Week 1
Week 2: Olympiad Maths Trainer (Terry Chew), age 7 – 8 – Week 2
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