1 standard 1.2 dividing fractions problem 1 problem 3 problem 2 problem 4 a pizza riddle? what is...
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1
STANDARD 1.2
DIVIDING FRACTIONS
PROBLEM 1
PROBLEM 3PROBLEM 2
PROBLEM 4
A pizza riddle?
What is the rule to divide fractions?
END SHOW
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2
1.2 Add, subtract, multiply and divide rational numbers and take positive rational numbers to whole-number powers
1.2 Sumar, restar, multiplicar y dividir números racionales y elevar números positivos racionales a potencias de enteros.
GRADE 7: Number Sense
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3
STANDARD 1.2
Rose owns a pizzeria. She wants to know how many slices of a circle can she obtain from of a circular pizza?
34
18 = 6
OR
183
4
1 2 3 4 5 6
1
23
4
56
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4
STANDARD 1.212
212
How many times does fit into ?12
212
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5
STANDARD 1.212
212
How many times does fit into ?12
212
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6
STANDARD 1.212
212
How many times does fit into ?12
212
1 2 3
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7
STANDARD 1.212
212
= 3 3How many times does fit into ?12
212
1 2 3
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8
STANDARD 1.223
112
How many times does fit into ?23
112
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9
STANDARD 1.223
112
How many times does fit into ?23
112
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10
STANDARD 1.223
112
How many times does fit into ?23
112
1 2 3 4 5 6 7 8
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11
STANDARD 1.2
= 8 823
112 How many times does fit into ?2
3 112
1 2 3 4 5 6 7 8
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12
STANDARD 1.234
312
How many times does fit into ?34
312
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13
STANDARD 1.234
312
How many times does fit into ?34
312
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14
STANDARD 1.234
312
How many times does fit into ?34
312
1 2 3
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15
STANDARD 1.2
= 3 334
312 How many times does fit into ?3
4 312
1 2 3
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16
STANDARD 1.214 How many times does fit into ?1
4 1 6
16
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17
STANDARD 1.214 How many times does fit into ?1
4 1 6
16
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18
STANDARD 1.214 How many times does fit into ?1
4 1 6
16
1
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19
STANDARD 1.214 How many times does fit into ?1
4 1 6
16
1
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20
STANDARD 1.214 How many times does fit into ?1
4 1 6
16
112
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21
STANDARD 1.214 How many times does fit into ?1
4 1 6
16 =1
12 1
12
112
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22
STANDARD 1.2
Is it a way of solving all these problems without fraction bars?
=12
= 23
=34
=14
=1X12
2X212 4
=
= 3
=2X12
3X124 3
=
= 8
12 4
=
= 3
= 1X6
4X1 6 4
=
6 41
42
= 1 2 4
....
22 = 1 1
2
= 1 1 2
12
212
12 2
23
112
12 1
34
312
12 3
14
16
6 1
Multiply by the reciprocal
Multiply by the reciprocal
Multiply by the reciprocal
Multiply by the reciprocal
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