# Olympiad Maths Trainer 4 For 4th Grade Week 2

This probles are Olympiad Maths Trainer 4 For 4th Grade Week 2. Solve this questions. Show your working clearly. Each questions carries 4 marks.

1. Use distributive law to calculate each of the following.

(a) 42 x 34 + 58 x 34

(b) 37 x 54 + 63 x 54

(c) 156 x 32 – 56 x 32

(d) 233 x 46 – 133 x 46

2. The first three terms of a three number pattern (1, 3, 6), (2, 6, 9), and (3, 9, 12).

Find the sum of three numbers in the 100th term.

3. Find the sum of all multiples of 5 from 5 to 20.

4. Some PE teachers bought a total of 83 balls for the school. The number of basketballs is twice the number of footballs. The number of volleyballs is 5 less than the number of footballs. How many balls of each type did the teachers number?

5. A train, which is long 200 m longm travels at a speed of 20 m/s. How long does it take to pass a bridge that is 1,2000 m long?

Answer:

1. (a) 3.400 (b) 5.400 (c) 3.200 (d) 4.600

2. 703

3. 4.100

4. 17

5. 70 s

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