15. Multiplication 3 Talk About Memory Check!


Before we go on to multiply 3s, 6s, 9s, 7s and 1s, let’s have a quick look back at 2s, 4s, 8s, 5s and 10s.


1. Use counters or your ‘Times Tables’ songs to work out the answers to these multiplication questions. a) 4 × 2 = e) 7 × 10 =


b) 5 × 4 = f) 3 × 5 =


Counting in 3s, 6s and 9s 2.


a) Count in 3s on this 100-square and draw a red mark in all the boxes that are multiples of 3.


b) Now count in 6s and draw a green mark in all the boxes that are multiples of 6.


c) Now count in 9s and draw a blue mark in all the boxes that are multiples of 9.


d) Discuss the pattern with your partner. What do you notice? What does this tell you?


Multiplying 3s 3. How many legs in total?


3 + 3 + 3 + 3 = × = So 4 × 3 =


4. Make multiplication sentences for the following and fill in the answers. a) 3 + 3 + 3 = b)


+ Strand: Number


Curriculum Objectives: Develop an understanding of multiplication as repeated addition (of groups of 3, 6, 9, 7 and 1) and vice versa;


explore, understand and apply the zero property of multiplication; develop and recall multiplication facts within 100;


multiply a one-digit number by 3, 6, 9, 7 and 1; solve and complete practical tasks and problems involving multiplication of whole numbers.


93 + + + + + + = .


c) 1 × 8 = g) 8 × 2 =


d) 6 × 5 = h) 5 × 5 =


123456789 10


11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100


×


=


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