KS2 Primary Maths Age 9-13 - Number:  - Explained

KS2 Primary Maths Age 9-13 - Number: - Explained

Assessment

Interactive Video

Mathematics, Information Technology (IT), Architecture

4th - 6th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to pair numbers that either add or multiply to equal 1. It begins with an example of addition, demonstrating how to verify pairs by reversing the process using subtraction. The tutorial then transitions to multiplication, showing how to pair numbers by adjusting decimal places. The video concludes with a verification process to ensure all pairs are correct, emphasizing the importance of accuracy in mathematical operations.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in pairing numbers that add up to 1?

Add the numbers directly

Multiply the numbers

Subtract one number from 1

Divide the numbers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pair of numbers adds up to 1?

0.3 and 0.8

0.89 and 0.11

0.5 and 0.6

0.25 and 0.75

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the number to multiply with to get a product of 1?

Divide the numbers

Move the decimal point

Add the numbers

Subtract the numbers

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you multiply 0.001 by to get 1?

10

1000

0.1

100

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pair of numbers multiplies to 1?

0.5 and 2

0.2 and 3

0.1 and 5

0.25 and 4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 0.25 by 4?

0.5

1.0

0.75

1.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many decimal places should be in the answer when multiplying 0.5 by 20?

1

2

3

4

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