To
achieve learning Outcome of understanding:
1. Factors
and Multiples
(Part 1) TEACHING(10-15mins) Start
Time: End Time :
(Part2) Core
PRACTICE (15-25mins)
Tutor: Please observe and ensure that the student follows the method/step.
(I) Multiplication Tables (~5mins) Start
Time:
3x2=
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4x2=
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5x2=
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6x2=
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7x2=
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8x2=
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9x2=
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12x2=
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3x3=
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4x3=
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5x3=
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6x3=
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7x3=
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8x3=
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9x3=
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12x3=
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3x4=
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4x4=
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5x4=
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6x4=
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7x4=
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8x4=
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9x4=
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12x4=
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3x5=
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4x5=
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5x5=
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6x5=
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7x5=
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8x5=
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9x5=
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12x5=
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3x6=
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4x6=
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5x6=
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6x6=
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7x6=
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8x6=
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9x6=
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12x6=
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3x7=
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4x7=
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5x7=
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6x7=
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7x7=
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8x7=
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9x7=
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12x7=
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3x8
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4x8
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5x8
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6x8
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7x8
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8x8
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9x8
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12x8=
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3x9=
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4x9=
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5x9=
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6x9=
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7x9=
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8x9=
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9x9=
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12x9=
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1. The factors of 40 are:
2. The factors of 56 are:
3. Find a common multiple of 6 and 8.
4. List the first 8 multiples of 7
5. List the first 5 multiples of 9
6. A given number is a multiple of 4. It is between 10 and 20. It is also a factor of 36. What is the number? (2/p2/f) PSLE(2018F)
7. Use all the digits 7, 8, 9, 1 to form the smallest multiple of an even number.
8*. List all the common factors of 21 and 45.
9. List all the common factors of 24 and 42.
10*. Use all the digits 6, 5, 2, 8 to form the smallest multiple of 5.
11. There are 12 pupils in each IT class. There are 7 IT classes in total. How many pupils are in the IT class?
2018 standard
12. The table below shows a card game. Clement needs to cross out 4 numbers in a row or in a column to win this game. This row or column of 4 numbers needs to have 2 common factors that are greater than 3 but less than 10. What are the 2 common factors? (22/p1/s)
Ans: ________ and __________
Total Mark: /13
Tutor Remark:
End Date/Time: Tutor:
Answer Key
1. 1,2,4,5,8,10,20,40
2. 1,2,4,7,8,14,28,56
3. 1, 2
4. 7,14,21,28,35,42,49,56
5. 9,18,27,36,45
6. 12
7. 1798
8. 1,3
9. 1,2,3
10. 2685
11. 84 pupils
12. 7 and 9
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