lesson 1 finding unknowns

Entry ActivityKnow or derive prime numbers less than 30

What are prime

numbers?

Entry ActivityKnow or derive prime numbers less than 30

Circle the primes.If not a prime give 1

reason why not!

12

3

4

56

7

8

9

15

11

12

13

14

10

16 17

18

19

20

21

22

23

24

25

26

27

28

29

Entry ActivityKnow or derive prime numbers less than 30

Circle the primes.If not a prime give 1

reason why not!

12

3

4

56

7

8

9

15

11

12

13

14

10

16 17

18

19

20

21

22

23

24

25

26

27

28

29

Today I will learn to:Calculate unknown numbers in linear sequences Level 3Challenge Objective:Calculate unknown numbers when there is more than one solution Level 4

Key WordsSequence, Generate, Term, Common, Describe

•All will find unknowns involving adding•Most will find unknowns when

subtracting & multiplying• Some will find solutions when

there is more than one solution

Why use algebra?

How can we write this in an algebraic formula?

Level 3

Answers1 a 6 + 2 = 8 b 5 + 6 = 11 c 2 + 7 = 9 d 7 + 2 = 9 e 4 + 3 = 7 f 3 + 5 = 8 g 4 + 7 = 11 h 5 + 4 = 9 i 1 + 7 = 8 j 4 + 8 = 12 k 4 + 6 = 10 l 2 + 9 = 11 2 a 2 × 3 = 6 b 5 × 2 = 10 c 3 × 5 = 15 d 4 × 3 = 12 e 3 × 3 = 9 f 4 × 5 = 20 g 6 × 2 = 12 h 3 × 4 = 12 i 6 × 3 = 18 j 7 × 3 = 21 k 8 × 3 = 24 l 6 × 5 = 30 3 a 9 – 1 = 8 b 10 – 3 = 7 c 9 – 6 = 3 d 12 – 7 = 5 e 8 – 1 = 7 f 8 – 3 = 5 g 14 – 5 = 9 h 10 – 7 = 3 i 8 – 7 = 1 j 15 – 8 = 7 k 15 – 4 = 11 l 12 – 8 = 4

Using your planners show me how you found this

Today I will learn to:Calculate unknown numbers in linear sequences Level 3Challenge Objective:Calculate unknown numbers when there is more than one solution Level 4

Key WordsSequence, Generate, Term, Common, Describe

•All will find unknowns involving adding•Most will find unknowns when

subtracting & multiplying• Some will find solutions when

there is more than one solution

Level 3

Answers4 a 3 b 3 c 5 d 10 e 8 f 11 g 8 h 6 i 5

j 5 k 7 l 8 5 a 4 b 5 c 4 d 1 e 5 f 2 g 11 h 4 i 8 j 9 k 5 l 7

Using your planners show me how you found this

Today I will learn to:Calculate unknown numbers in linear sequences Level 3Challenge Objective:Calculate unknown numbers when there is more than one solution Level 4

Key WordsSequence, Generate, Term, Common, Describe

•All will find unknowns involving adding•Most will find unknowns when

subtracting & multiplying• Some will find solutions when

there is more than one solution

Level 4

Using your planners show me how you found this

Today I will learn to:Calculate unknown numbers in linear sequences Level 3Challenge Objective:Calculate unknown numbers when there is more than one solution Level 4

Key WordsSequence, Generate, Term, Common, Describe

•All will find unknowns involving adding•Most will find unknowns when

subtracting & multiplying• Some will find solutions when

there is more than one solution

PlenaryOne thing I

need to remember for next time is...

One thing I have learned

today is...