Week 10 Ordering Numbers

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​week 10
Ordering Numbers

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​Objectives

• What can you remember?

• Ordering large integers

• Ordering negative numbers

• Ordering decimal numbers

• Mixed Questions

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​today

Multiple Select

Which number is prime? 

• 1
• 37
• 63
• 33
• 2

Multiple Choice

Which list has only prime numbers?

• 2, 3, 4, 5
• 1, 5, 7, 9
• 2, 3, 5, 7
• 2, 4, 6, 8

Labelling

Rene wrote the following fractions on the whiteboard.

which expression correctly compares the two fractions?

Drag labels to their correct position on the image

>

=

<

Multiple Choice

Find the HCF of 12 and 15 ?

• 2
• 2 x 3
• 3
• 60

Multiple Choice

-6 + 7

• 1
• -1
• 13
• -13

Multiple Choice

5 − 8 − 1

• 4

• -4
• 13

• 2

Multiple Choice

15 − +25

• 5
• 30
• 40
• -10

Multiple Choice

−12 − −30

• -42
• 6
• -18
• 18

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​

​Ordering Integers

​ascending
= increase smallest to largest

​Descending
= Decrease largest to smallest

Reorder

Reorder the following ascending order (smallest to largest)

• 72

• 172

• 198

• 217

• 273

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Reorder

Reorder the following descending order (largest to smallest)

• 462

• 458

• 386

• 224

• 223

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

​

​

​Ordering
negative numbers

​Look on the number line if you need to

Reorder

Reorder the following in ascending order (smallest to largest)

• -11

• -10

• -8

• -7

• -1

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Reorder

Reorder the following in descending order (largest to smallest)

• -2

• -4

• -5

• -6

• -12

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

​

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​Your turn - write in books

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​ANSWERS

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​Ordering decimals

Now we can put them in order

​Put them in order from smallest to largest
It helps if you put them under each other:

​0.21
0.3
0.24
0.207

​Which one is the smallest number?

​0.207, 0.21, 0.24, 0.3

​

​try this: put in ascending order

Reorder

Reorder the following in ascending order

• 0.035

• 0.35

• 0.53

• 3.05

• 3.5

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Reorder

Reorder the following in descending order

• 0.9

• 0.7

• 0.47

• 0.269

• 0.09

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

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​

​Your turn - write in books

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​ANSWERS

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​Ordering fdp

Now we can put them in order

​Convert them to decimals

​

​try this: put in ascending order

Multiple Choice

Order the following numbers from least to greatest.

• C, A, B, D

• D, A, B, C

• D, B, A C

• A, B, C, D

Multiple Choice

Place the numbers in descending order.

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​Your turn - write in books

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​

​ANSWERS

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​*MathsWatch
*Mastery Mountain
*Work in Numbers
Book Complete Gaps

​The End