1. Mathematics Chapter One

2. Commutative law 5+3=? The order of adding any 2 numbers does not affect the result. This is the same for multiplication and division Answer: 5+3=3+5

3. Associative Law 2+3+5=? The order of grouping numbers together in addition does not affect the answer. This is the same for multiplication only. Answer: 2+3+5=(2+3)+5

4. Distributive Law 4x(5x9)=? (4x5)+(4x9)=? For any 3 whole numbers A, B, C we have Ax(B+C)=AxB+AxC. Answer: 4x(5x9)=180 Answer: (4x5)+(4x9)=56

5. Performing Maths Operations Simplify any expression within brackets first. Simplify any brackets within brackets first when needed. Do multiplications and divisions first before doing adding and subtracting

6. Mathematics Chapter 2

7. Some Questions Is 50836 divisible by 2? Test 660 for divisibility by 2,3,4,5,10 and 11. What is the square root of 4? Answer: 50836/2=25418 Answer: 660/2=330 660/3=220 660/4=165 660/5=132 660/10=66 660/11=60 Answer: square root is 2

8. Mathematics Chapter 3

9. Some Questions State a rule for 3, 8, 13, 18 and write the next three terms. Consider the pattern 2=1x2 6=2x3 12=3x4. 110=kx(k+1) Write the 8th line of the pattern The value of k. Answer: the rule is N+5. 23 28 33 Answer: 72=8x9 Answer: k=10

10. Continued Fill the box with the appropriate number and state the rule used 1, 3, ?, 27, 81. Answer: it is Nx3 = 9.