We Distribute, Yet Things Multiply: Practice 4

Practise focused skills from We Distribute, Yet Things Multiply

MathematicsGrade 8Mixed12 questions24 min

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Section A: Core Practice · 6 questionsSection B: Reasoning and Application · 6 questions

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Section A: Core Practice

Build core ideas for this chapter.

Choose the best answer for each question.

Question 1

EasyQuestion

A student expands $5(2x+3)$ as $10x+3$ . What is the mistake?

Topic: Common Factors and Reverse Distribution · Skill: Factorise expressions using reverse distributive law

Question 2

EasyQuestion

Which expression is equivalent to $a(b+c)$ ?

Topic: Common Factors and Reverse Distribution · Skill: Choose efficient expansion or factorisation strategies

Question 3

MediumQuestion

Which expression is equal to $9\times 60+9\times 8$ by the distributive law?

Topic: Distributive Law in Arithmetic · Skill: Use distributive law for mental multiplication

Question 4

MediumQuestion

Which expression is equal to $15\times 20+15\times 6$ by the distributive law?

Topic: Distributive Law in Arithmetic · Skill: Represent area models using distributive law

Question 5

MediumQuestion

Use distribution to calculate $99\times 47$ . What is the product?

Topic: Algebraic Expansion · Skill: Expand simple algebraic expressions using distributive law

What this assignment covers

Progressive Grade 8 Math practice for We Distribute, Yet Things Multiply covering Algebraic Expansion, Common Factors and Reverse Distribution, Distributive Law in Arithmetic.

Skills and sections

Factorise expressions using reverse distributive law, Choose efficient expansion or factorisation strategies, Use distributive law for mental multiplication, Represent area models using distributive law, Expand simple algebraic expressions using distributive law

Section A: Core Practice: 6 questions
Section B: Reasoning and Application: 6 questions