(Lesson) Bk5B Unit14 Solving problems by equatipons

Solving Problems by using Equations

Labelling

Shirley has one bag of milk candies and one bag of jelly candies. She has 42 candies altogether. There are 18 milk candies in each bag. How many jelly candies are there in each bag?

Drag labels to their correct position on the image

42

18

Unknown

Multiple Choice

Shirley has one bag of milk candies and one bag of jelly candies. She has 42 candies altogether. There are 18 milk candies in each bag. How many jelly candies are there in each bag?

Statement: Let there be x jelly candies in each bag.

How to form the equation?

• $$18+x=42$$

• $$42+x=18$$

• $$18x=42$$

• $$\frac{42}{x}=18$$

Math Response

There is a discount of $20 for the toy car. What is the original price?

Let the original price of the toy car is $y.

Form the equation to solve this problem.

Type answer here

Correct Answer: y-20=68

Deg^°

Rad

Multiple Choice

The selling price of the toy plane is $5 higher than that of the toy car. What is the selling price of the toy plane?

Let the selling price of the toy plane be $y.

• $$y+5=68$$

• $$y-5=68$$

Do consolidation (1-2) on Textbook Pg54.

Math Response

Samson has bought 5 boxes of cereal of the same weight each. If their total weight is 750 g, what is the weight of each box of cereal in g?

Let the weight of each box of cereal be y g.

How to form the equation?

Type answer here

Correct Answer: 5y=750

Deg^°

Rad

Math Response

The length of one round of a jogging track is $$\frac{1}{4}$$ km. Grandpa jogged along the track for several rounds. He jogged 2 km in total. How many rounds did Grandpa jog?

Let grandpa jogged y rounds.

How to form the equation?

Type answer here

Correct Answer: \frac{1}{4}y=2

Deg^°

Rad

Math Response

Mum pours a bottle of tea into teacups each of capacity 55 mL. 6 teacups are filled up. How many millilitres of tea does the bottle contain?

Let the bottle contain y mL of tea.

How to form the equation?

Type answer here

Correct Answer: \frac{y}{55}=6

Deg^°

Rad

Do consolidation (1-2) on Textbook Pg56.