Year 10 End of Term 1 Revision

Number

100

Convert 5/16 as a decimal

0.3125

200

Write 3/5 as a percentage

60%

300

Estimate 128 x 275

30000

400

A shirt normally costs RM200. In a sale there is 40% discount. Work out the sale price of the shirt.

RM120

500

A number N is rounded to 2 significant figures. The result is 8.2. What is the smallest possible value of N

8.15

Measure and Random

100

Write 300 minutes in hours

5 hours

200

Area of Trapezium formula

1/2 x (a+b) x h

300

List 2 facts about Probability

refer Ms Kim

400

Value of tan43 in 3 significant figures

0.933

500

Write 0.288888... into fraction in simplest form

13/45

Indices & Surds

100

7⁰

1

200

(c⁵)³

c¹⁵

300

b³ x b⁵

b⁸

400

5^-1

0.2

500

Expand (√ 6 +5) (√ 6 -2)

6 - 2√ 6 +5√ 6 - 10

= -4 + 3√ 6 

Simplify & Solving equations

100

Simplify 2x +3y - x + 7y

x + 10y

200

Solve 2x -7 = 11

2x = 11+7

2x = 18

x = 18/2

x =9

300

Solve 7p = 2p + 10

5p = 10

p =2

400

Quadratic formula

refer Ms Kim

500

Solve 2x² - x -5 = 0, give your answers correct to 2 decimal places.

Use quadratic formula,

x=1.85, x= -1.35

Expression, Expand,Factorise

100

Kaly buys s packets of chocolate sweets and r packets of mint sweets. Write down the expression for the total number of packets of sweets Kaly buys. 

s+r

200

Expand (d+3)(d+6)

d²+9d+18

300

Factorise 20x-15

5(4x-3)

400

Factorise p²+7p+10

(p+2)(p+5)

500

Factorise 2x²-5x-12

(2x+3)(x-4)