Entry Activity – Level 4

Entry Activity - Answers

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Today I will learn to solve simple problems using algebra Level ¾

Challenge Objective:

Calculate unknowns when there is either negative numbers or multiples of unknowns Level 5

Key Words

Unknown, Generate, Term, Inverse, Describe

• All will find unknowns in a two layer triangle

• Most will find unknowns in a 3 layer triangle

• Some will find unknowns in a 3 layer triangle when there are negatives or multiple unknowns

Key Words or phrases

inverse

Using your planners show me how you found this

Today I will learn to solve simple problems using algebra Level ¾

Challenge Objective:

Calculate unknowns when there is either negative numbers or multiples of unknowns Level 5

Key Words

Unknown, Generate, Term, Inverse, Describe

• All will find unknowns in a two layer triangle

• Most will find unknowns in a 3 layer triangle

• Some will find unknowns in a 3 layer triangle when there are negatives or multiple unknowns

Level 3 Level 4

Level 4 Level 5

Answers

Level 3

1 x = 9

2 x = 5

3 x = 2

Level 4

4 x = 5

5 x = 5

6 x = 6

7 x = 24

8 x = 12

9 x = –4

10 x = 27

11 x = 31

12 x = –2

13 x = 3

Level 5

14 x = 5

15 x = 2

16 x = 12

17 x = 6

18 x = 3

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Extension Activity – Level 5+

Today I will learn to solve simple problems using algebra Level ¾

Challenge Objective:

Calculate unknowns when there is either negative numbers or multiples of unknowns Level 5

Key Words

Unknown, Generate, Term, Inverse, Describe

• All will find unknowns in a two layer triangle

• Most will find unknowns in a 3 layer triangle

• Some will find unknowns in a 3 layer triangle when there are negatives or multiple unknowns

Extension Activity - Answers

• 1 a 11 b 7 c 4 d 3

Using your planners show me how you found this

Today I will learn to solve simple problems using algebra Level ¾

Challenge Objective:

Calculate unknowns when there is either negative numbers or multiples of unknowns Level 5

Key Words

Unknown, Generate, Term, Inverse, Describe

• All will find unknowns in a two layer triangle

• Most will find unknowns in a 3 layer triangle

• Some will find unknowns in a 3 layer triangle when there are negatives or multiple unknowns

Plenary

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