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TCM #8773: Lesson 3.13 Today’s Lesson Multiplication Facts

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TCM #8773: Lesson 3.13 Warm-Up Activity We will begin today by dividing numbers and finding remainders.

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TCM #8773: Lesson 3.13 Find numbers from 0–50 that leave a remainder of 2 when divided by 4. Can you think of a rule to make this easier? Any multiple of 4 + 2

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**Whole-Class Skills Lesson**

TCM #8773: Lesson 3.13 Whole-Class Skills Lesson Today we will calculate the 8’s times table from the 4’s times table and then look for patterns in these tables.

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**The multiples of 4 are doubles of the multiples of 2.**

TCM #8773: Lesson 3.13 Say the multiples of 2. Say the multiples of 4. Can you see a link between the two sets of numbers? The multiples of 4 are doubles of the multiples of 2.

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TCM #8773: Lesson 3.13 What times table will we get if we double the multiples of 4? The 8’s times table.

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**Which number has been covered up?**

TCM #8773: Lesson 3.13 Which number has been covered up?

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**Which number has been covered up?**

TCM #8773: Lesson 3.13 Which number has been covered up?

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**Which number has been covered up?**

TCM #8773: Lesson 3.13 Which number has been covered up?

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**Which number has been covered up?**

TCM #8773: Lesson 3.13 Which number has been covered up?

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**Which number has been covered up?**

TCM #8773: Lesson 3.13 Which number has been covered up?

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**What other times tables are doubles of others?**

TCM #8773: Lesson 3.13 What other times tables are doubles of others? On a hundred square, circle multiples of 4 in one color and multiples of 8 in another. What do you notice?

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TCM #8773: Lesson 3.13 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

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TCM #8773: Lesson 3.13 1 2 3 4 5 6 7 8 9 10 1 1 2 3 4 5 6 7 8 9 10 2 2 4 6 8 10 12 14 16 18 20 3 3 6 9 12 15 18 21 24 27 30 4 4 8 12 16 20 24 28 32 36 40 5 5 10 15 20 25 30 35 40 45 50 6 6 12 18 24 30 36 42 48 54 60 7 7 14 21 28 35 42 49 56 63 70 8 8 16 24 32 40 48 56 64 72 80 9 9 18 27 36 45 54 63 72 81 90 10 10 20 30 40 50 60 70 80 90 100

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TCM #8773: Lesson 3.13 Group Work Investigate patterns in a hundreds chart—give reasons for patterns. Investigate patterns in a hundreds chart. Investigate patterns in a hundreds chart—what patterns can be seen in the ones digits? Teacher Note: See the lesson’s “Differentiated-Group Skills Practice” section for instructions.

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