**NUMBER**

__Strand 1:__**Number: Counting, Representation, Cardinality & Ordinality**

__Sub-Strand 1:__**Describe numbers and the relationship between numbers 0 to 100**

__CONTENT STANDARDS 1:__**Use number names, counting sequences and how to count to find out “how many?”**

__INDICATORS AND EXEMPLARS 1:__

__Question focus:__**Identifying and correcting errors and omissions in counting or skip counting sequences (skip counting backwards by 2s)**

__Identify the correct skip count, errors and omissions by skip counting by 2s backwards.__

__Example:__10, 8, 7, 3, 2

Correct Skip Count: 10, 8, 6, 4, 2

Error: 7, 3

Omissions: 6, 4

Now solve the following

Correct Skip Count:

Error:

Omissions:

Correct Skip Count:

Error:

Omissions:

Correct Skip Count:

Error:

Omissions:

Correct Skip Count:

Error:

Omissions:

Correct Skip Count:

Error:

Omissions:

Correct Skip Count:

Error:

Omissions:

Correct Skip Count:

Error:

Omissions:

Correct Skip Count:

Error:

Omissions:

1. 8, 5, 4, 3

2. 12, 11, 8, 7, 3, 2

3. 20, 17, 16, 15, 12, 11

4. 24, 22, 21, 17, 16, 13, 12

5. 30, 29, 26, 23, 22, 19

6. 32, 31, 28, 27, 24

7. 40, 37, 36, 33, 32

8. 50, 47, 46, 43, 42, 39

*Correct Skip Count: 8, 6, 4, 2*

Error: 5, 3

Omissions: 6, 2Error: 5, 3

Omissions: 6, 2

*Correct Skip Count: 12, 10, 8, 6, 4, 2*

Error: 11, 7, 3

Omissions: 10, 6, 4Error: 11, 7, 3

Omissions: 10, 6, 4

*Correct Skip Count: 20, 18, 16, 14, 12, 10*

Error: 17, 15, 11

Omissions: 18, 14, 10Error: 17, 15, 11

Omissions: 18, 14, 10

*Correct Skip Count: 24, 22, 20, 18, 16, 14, 12*

Error: 21, 17, 13

Omissions: 20, 18, 14Error: 21, 17, 13

Omissions: 20, 18, 14

*Correct Skip Count: 30, 28, 26, 24, 22, 20*

Error: 29, 23, 19

Omissions: 28, 24, 20Error: 29, 23, 19

Omissions: 28, 24, 20

*Correct Skip Count: 32, 30, 28, 26, 24*

Error: 31, 27

Omissions: 30, 26Error: 31, 27

Omissions: 30, 26

*Correct Skip Count: 40, 38, 36, 34, 32*

Error: 37, 33

Omissions: 38, 34Error: 37, 33

Omissions: 38, 34

*Correct Skip Count: 50, 48, 46, 44, 42, 40*

Error: 47, 43, 39

Omissions: 48, 44, 40Error: 47, 43, 39

Omissions: 48, 44, 40

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