Assignment 2: Numbers and patterns


1 B and C = term number × 3 + 3. a Term 1: B and C = 1 × 3 + 3 = 6 Term 2: B and C = 2 × 3 + 3 = 9 Term 3: B and C = 3 × 3 + 3 = 12


b (3)


c Learners complete this table as follows. 1


Term number B & C


6


2 9


3 12 d B and C = 18 × 3 + 3 = 57


e Term number × 3 + 3 = 78 blocks and circles Term number = 75 ÷ 3 = 25.


2 B & C = term number × 4 + 4 a Term 1: B and C = 1 × 4 + 4 = 8 Term 2: B and C = 2 × 4 + 4 = 12 Term 3: B and C = 3 × 4 + 4 = 16


b 4 15 5 18 (5) 6 21 7 24 8 27 9 30


10 33


20 63


(2) (2)


(3)


(3)


c Learners complete this table as follows. 1


Term number B & C


2 8 12 d B and C = 18 × 4 + 4 = 76


e Term number × 4 + 4 = 88 blocks and circles Term number = 84 ÷ 4 = 21.


3


Repeat questions 1a to c for the pentagonal diagram of 2 B and C = term number × 5 + 5 a Term 1: B and C = 1 × 5 + 5 = 10 Term 2: B and C = 2 × 5 + 5 = 15 Term 3: B and C = 3 × 5 + 5 = 20


3 16 4 20 5 24


(3) (5)


6 28 7 32 8 36 9 40


10 44


20 84


(2) (2)


(3)


Term 4


227


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