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# National Foundation Phase Maths Olympiad - Grade two - final round- 2007

## GRADE TWO – FINAL ROUND PAPER: 2007 QUESTION BOOKLET

DURATION: 1 HOUR 15 MINUTES

MARKS: 20

NAME OF LEARNER:___________________________________

NAME OF SCHOOL:____________________________________

## INSTRUCTIONS TO LEARNERS:

1. You are expected to answer 15 questions.

3. Use the space provided for your working.

4. You are not allowed to use the calculator.

7. First 10 questions – 1 mark each.

8. Questions 11-20: 2 marks each.

## Test Questions:

### Exercise 1

Write down the 9th term of the sequence:

7; 11; 15; 19; . . .

### Exercise 2

Write down the unit’s digit of the 80th number.

5; 10; 15; 20; . . .

### Exercise 3

Lindiwe counted in 3’s as follows:-

3; 6; 9; 12; 15; . . .

What position does the number 75 occupy ?

### Exercise 4

Each letter in the following subtraction problem represents a digit. Find the digit B.

### Exercise 5

Find the value of ΔΔ%DELTA:

60 Δ = Δ + Δ + Δ + Δ + Δ 60 Δ = Δ + Δ + Δ + Δ + Δ 60 - %DELTA = %DELTA + %DELTA + %DELTA + %DELTA + %DELTA
(1)

### Exercise 6

Find the value of ΔΔ%DELTA:

Δ + Δ + Δ + Δ = Δ + Δ + 48 + Δ Δ + Δ + Δ + Δ = Δ + Δ + 48 + Δ %DELTA + %DELTA + %DELTA + %DELTA = %DELTA + %DELTA + 48 + %DELTA
(2)

### Exercise 7

Neels counted in 9’s as follows:

9; 18; 27; 36; 45; . . .

Write down the 45th number.

### Exercise 8

How many blocks are there in this stack?

### Exercise 9

5 health bars cost R23. How many health bars could you get for R69?

### Exercise 10

Machine A takes 20 minutes to make 7 large boxes. Machine B takes 10 minutes to make 3 small boxes. If both machines run for 1 hour, how many more large boxes than small boxes will there be?

### Exercise 11

4 matchsticks are used to make 1 square. 7 matchsticks are used to make 2 squares. 10 matchsticks are used to make 3 squares. How many squares can be made from 61 matchsticks ?

### Exercise 12

Molly has 2 secret numbers.

* When she subtracted the 2 numbers she had 15.

* When she doubled the smaller number she found it was same as the larger number.

What is the larger number?

### Exercise 13

How many squares of all sizes are there in the figure below:

### Exercise 14

Jeremy wrote down all the numbers from 1 to 50. He then struck off all the numbers that can be counted in 2’s and 3’s. How many numbers were not struck off?

### Exercise 15

Given the following, guess the day of the week:

* Yesterday was not Tuesday.

* Tomorrow is not Tuesday.

* The day after tomorrow is not Thursday.

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