Understanding multiplication can be completed in any order

Understanding multiplication can be completed in any order

Lesson details

Key learning points

  1. In this lesson, we will introduce the term 'communtativity', and study the properties and laws of multiplication. We will use arrays to prove that multiplication is commutative.

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5 Questions

Q1.
What does this array show?
An image in a quiz
Correct answer: 1 x 4
3 x 1
4 x 2
4 x 4
Q2.
What does this array show?
An image in a quiz
Correct answer: 3 x 7
30
4 x 7
7 x 7
Q3.
Arrays help us...
Correct answer: answer multiplication questions
answer subtraction questions
draw circles
Q4.
What is the answer this array is showing?
An image in a quiz
Correct answer: 27
3
37
9
Q5.
4 x 11 = (Draw an array to help if you would like)
14
40
Correct answer: 44
48

5 Questions

Q1.
Commutativity means...
It's too hard to answer
Correct answer: multiplication can be answered in any order
subtraction
Q2.
4 x 5 has exactly same answer as
2 x 5
40 x 5
Correct answer: 5 x 4
5 x 5
Q3.
48 is the answer to 4 x 12 and
12 x 2
Correct answer: 12 x 4
2 x 12
4 x 10
Q4.
5 x 9 and 9 x 5 =
40
Correct answer: 45
50
55
Q5.
4 people each buy 8 new pens. How many pens were bought in total?
30
Correct answer: 32
4
8

Lesson appears in

UnitMaths / Multiplication and division