Lesson details

Key learning points

  1. In this lesson, we will learn about the associative property and how it can make calculations easier.

Licence

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5 Questions

Q1.
Fill in the blank in the following model to represent the calculation 4×9=9×4/ What would go in the top box?
1
36
Correct answer: 4
9
Q2.
If one yellow rod is length 3, what calculation works out the total lengths of the yellow rods?
3 x 3
Correct answer: 3 x 4
3 x 7
Q3.
There are 60 sweets in total. Zaki shares the sweets between 10 people. How much do they each get? Which calculation shows this problem, and is it grouping or sharing?
60 ÷ 10 grouping
Correct answer: 60 ÷ 10 sharing
60 ÷ 6 grouping
60 ÷ 6 sharing
Q4.
There are 60 sweets in total. Zaki puts the sweets into bags of 10 sweets. How many bags are there? Which calculation shows this problem, and is it grouping or sharing?
Correct answer: 60 ÷ 10 grouping
60 ÷ 10 sharing
60 ÷ 6 grouping
60 ÷ 6 sharing
Q5.
Which one of the following is commutative?
Division
Correct answer: Multiplication
Subtraction

5 Questions

Q1.
Fill in the blank: 15 x 16 = 15 x (___ x 8)
16
Correct answer: 2
8
Q2.
Fill in the blank: 15 x 16 = (5 x ___) x 16
15
2
Correct answer: 3
Q3.
Fill in the blank: 36 x 25 = ___ x 100
2
4
8
Correct answer: 9
Q4.
Fill in the blank: 55 x 20 = ___ x 100
Correct answer: 11
20
5
55
Q5.
Fill in the blank: 2.2×50 = ___ x 100
1
Correct answer: 1.1
2.2
4.4

Lesson appears in

UnitMaths / Axioms and arrays