Expressions and Cost Calculations

Expressions and Cost Calculations

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial introduces algebraic expressions through practical examples. It covers calculating costs of items like oranges, sweets, T-shirts, and kicks using algebra. It also explains how to determine ages and total costs using algebraic expressions. The tutorial emphasizes the use of variables and basic operations like addition, subtraction, and multiplication to form expressions.

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an orange costs 40p, what is the expression for the cost of X oranges?

X/40

40-X

40 + X

40X

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much would 5 oranges cost if each costs 40p?

150p

200p

220p

180p

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expression for the total number of marbles if George has Y marbles, Jack has 20, and Esme has 35?

Y + 75

Y + 35

Y + 20

Y + 55

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If George has 10 marbles, how many marbles do they have in total?

55

65

45

75

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expression for the cost of X small sweets if each costs 3p?

3 + X

X + 3

3X

X/3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you buy 4 small sweets and 2 large sweets, what is the total cost if small sweets cost 3p and large sweets cost 10p?

38p

36p

34p

32p

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expression for the total cost of Y large sweets if each costs 10p?

Y/10

10 + Y

Y + 10

10Y

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