Page 24 - NUMINO TG_5A
P. 24
01Magic Spells Unit
Material Number Cards [A1]
CMath Vo abulary multiple: a product of a whole number and another number
Activity Board Total If students find it difficult to find multiples of
a number, have them use division to solve
2-Digit Numbers (2 points) 3-Digit Numbers (4 points) the problem.
Example: Multiples of 2.
Multiples 12 points Case 1: 576 2 288, so 576 is a multiple
of 2
of 2.
Multiples Possible answers 780, 459 12 points Case 2: 127 2 63 r1. This cannot be
of 3
12, 36 divided equally by 2, so 127 is not a
multiple of 2.
After students have finished playing the
game, have them discuss the rules with each
other and find multiples of 2, 3, 4, and 5.
Divisibility Rules for 2, 3, 4, and 5
Multiple Condition Example
Multiples 716, 932, 408 12 points The number in
of 4
2 the ones place 20 even, multiple of 2.
is an even 17 odd, not a multiple of 2.
number.
Multiples 980, 745 8 points The sum of all 156 1 5 6 12,
of 5
3 the digits is a multiple of 3.
multiple of 3. 142 1 4 2 7,
not a multiple of 3.
Look at the multiples of each number you made above. The last two 148 48 4 12, multiple of 4.
Discuss the characteristics.
4 digits are 0s or 563 63 4 15 r 3, not a
Multiples of 2: The last digit of each number is an even number.
Multiples of 3: The sum of the digits of each number is divisible by 3. a number multiple of 4.
Multiples of 4: The last two digits of each number form a number divisible by 4.
Multiples of 5: The last digit of each number is 0 or 5. divisible by 4. 500 multiple of 4.
1. Magic Spells 5 The number in 385 multiple of 5.
5 the ones place 841 not a multiple of 5.
is 0 or 5.
Divisibility Rules for 6, 8, 9, and 10 Multiple Condition Example
Knowing how to find multiples of a
number by using divisibility rules will The sum of the digits is a multiple of 396 even number, multiple of 2.
serve as an important math skill. 6 3 9 6 18, multiple of 3.
Have students use divisibility rules for 2 and 3.
other numbers, as shown in the table So, 396 is a multiple of 6.
on the right.
The last three digits are 0s or the 1000 multiple of 8.
8 number is a multiple of 8. 584 584 8 73, multiple of 8.
9 The sum of all the digits is 9. 531 5 3 1 9, multiple of 9.
583 5 8 3 16, not a multiple of 9.
10 There is a 0 in the ones place. 570 multiple of 10.
485 not a multiple of 10.
5A Unit 01 007
Material Number Cards [A1]
CMath Vo abulary multiple: a product of a whole number and another number
Activity Board Total If students find it difficult to find multiples of
a number, have them use division to solve
2-Digit Numbers (2 points) 3-Digit Numbers (4 points) the problem.
Example: Multiples of 2.
Multiples 12 points Case 1: 576 2 288, so 576 is a multiple
of 2
of 2.
Multiples Possible answers 780, 459 12 points Case 2: 127 2 63 r1. This cannot be
of 3
12, 36 divided equally by 2, so 127 is not a
multiple of 2.
After students have finished playing the
game, have them discuss the rules with each
other and find multiples of 2, 3, 4, and 5.
Divisibility Rules for 2, 3, 4, and 5
Multiple Condition Example
Multiples 716, 932, 408 12 points The number in
of 4
2 the ones place 20 even, multiple of 2.
is an even 17 odd, not a multiple of 2.
number.
Multiples 980, 745 8 points The sum of all 156 1 5 6 12,
of 5
3 the digits is a multiple of 3.
multiple of 3. 142 1 4 2 7,
not a multiple of 3.
Look at the multiples of each number you made above. The last two 148 48 4 12, multiple of 4.
Discuss the characteristics.
4 digits are 0s or 563 63 4 15 r 3, not a
Multiples of 2: The last digit of each number is an even number.
Multiples of 3: The sum of the digits of each number is divisible by 3. a number multiple of 4.
Multiples of 4: The last two digits of each number form a number divisible by 4.
Multiples of 5: The last digit of each number is 0 or 5. divisible by 4. 500 multiple of 4.
1. Magic Spells 5 The number in 385 multiple of 5.
5 the ones place 841 not a multiple of 5.
is 0 or 5.
Divisibility Rules for 6, 8, 9, and 10 Multiple Condition Example
Knowing how to find multiples of a
number by using divisibility rules will The sum of the digits is a multiple of 396 even number, multiple of 2.
serve as an important math skill. 6 3 9 6 18, multiple of 3.
Have students use divisibility rules for 2 and 3.
other numbers, as shown in the table So, 396 is a multiple of 6.
on the right.
The last three digits are 0s or the 1000 multiple of 8.
8 number is a multiple of 8. 584 584 8 73, multiple of 8.
9 The sum of all the digits is 9. 531 5 3 1 9, multiple of 9.
583 5 8 3 16, not a multiple of 9.
10 There is a 0 in the ones place. 570 multiple of 10.
485 not a multiple of 10.
5A Unit 01 007