MATHS REVISION CHAPTER 4,5,6

​CHAPTER 4:
RATIO, RATES & PROPORTIONS

By RAZREENA RIDZUAN

RATIO
to make comparison between two

or more quantities in a similar group or having the same units

Multiple Choice

What’s the ratio of apples to bananas?

• 6:4

• 4:6

• 3:2

• 2:3

RATE
the change of one quantity with respect to another quantity

Multiple Choice

This car travels 400 km in 2 hours. What is the speed?

• 200

• 0.005

• 400

PROPORTION
quality of the ratios between

two pairs of quantities

Multiple Choice

RECIPE ORANGE JUICE:

2 cups of water: 1 cup syrup

Mom asked you to prepare 6 cups of orange juice for your friend, how many cups of syrup do you need?

• 6

• 3

• 2

• 0 (tak yah gula)

Multiple Choice

Given x:y = 4:5 and

x + y = 180. Find the value of x

• 80

• 60

• 180

• 100

Multiple Choice

Given x : y = 9 : 5 and x - y = 16. Find the value of x + y

• 56

• 48

• 14

• 24

Multiple Choice

Ikram, Mikael, and Iskandar donated to a charity fund in the ratio of 2 : 1 : 3. The total donation from Ikram and Mikael is RM360. Calculate the amount donated by Iskandar?

• RM72

• RM80

• RM83

• RM100

Multiple Choice

• 84

• 100

• 180

Multiple Choice

The Martin family's truck gets an average of 25 miles per gallon. Predict how many miles they can drive on 7 gallons. 

• 20
• 125
• 35
• 175

Multiple Choice

Two slices of Dan’s Famous Pizza have 230 calories. How many calories would you expect to be in 5 slices of the same pizza?

• 2.5 calories
• 575 calories
• 250 calories
• 460 calories

Multiple Choice

The ratio of boys to girls in a class is 5 : 4. If there is a total of 36 students, find the number of boys and girls respectively.

• 30 boys, 6 girls

• 15 boys, 21 girls

• 20 boys, 16 girls

• 10 boys, 26 girls

chapter 5: Algebraic Expressions

Writing Algebraic Expressions

Algebraic term

algebraic term can be written as the product of the variable and its factor

Match

Match the following LIKE TERMS

• 3mn²

• 43 xy

• 6st

• mn

• x

63n² m

2xy

7st

4nm

1000x

• 63n² m

• 2xy

• 7st

• 4nm

• 1000x

Multiple Choice

Given an algebraic term $$-4pq^2r$$ .
The coefficient of 4p is  $$-qr^2$$  .
True or false?

• True

• False

Multiple Choice

Given an algebraic term $$-4pq^2r$$ .
Determine the coefficient of pq.

• $$-4r$$  

• $$4qr$$  

• $$-r$$  

• $$-4qr$$  

Multiple Choice

$$\left(a+b\right)^3$$  in repeated multiplication is:

• (a+b)

• (a+b) (a+b)

• (a+b) (a+b) (a+b)

• (a+b) (a+b) (a+b) (a+b)

Multiple Choice

$$\left(3m+4n\right)+\left(5n-2-2m\right)=$$  

• $$m+9n+2$$  

• $$5m+9n-2$$  

• $$m+9n-2$$  

• $$5m+9n+2$$  

Multiple Choice

$$\left(-5rs^2\right)\times\left(-4r^3\right)=$$  

• $$-20r^3s^2$$  

• $$20r^4s^2$$  

• $$-20r^4s^2$$  

• $$9r^4s^2$$  

Multiple Choice

$$10x^3y^4\div5xy^2=$$  

• $$\frac{2x^2}{y^2}$$  

• $$2x^4y^6$$  

• $$2x^2y^2$$  

• $$\frac{2x^4}{y^6}$$  

Multiple Choice

$$8ab\times4ab^2\div5ab^6=$$  

• $$\frac{32a}{5b^3}$$  

• $$\frac{32a^3}{5b^3}$$  

• $$\frac{32a}{5b^5}$$  

• $$\frac{32a^2}{5b^3}$$  

Multiple Choice

_^Evaluate
(a + b)^c + ab
when 
a = 3, b = 5, and c = 2

• 26
• 31
• 79
• 49

Multiple Choice

6a - 3d
when a = 1, d = 2

• 3
• 12
• 1
• 0

Multiple Choice

2x + 3 + x²; for x = 4

• 17
• 27
• 19
• 25

chapter 6: Linear Equations

LINEAR EQUATIONS IN 2 VARIABLES

Draw

Given 2x + 3y = 6, find the value of x when y = 4

Multiple Choice

The area of a triangle is 80 cm² and its base is 8cm. If its height is (6 + k)cm, find the value of k.

• 7

• 14

• 47

• 74

Multiple Choice

• x = 1

  y = 7

• y = 1

  x = 7

• x = 3

  y = 4

• x = 4

  y = 3

Word Cloud

Poll

How well did you understand this lesson and the concepts covered?

Open Ended

What would you like to learn after this?