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# 7-7 Equivalent Fractions

## on Jan 24, 2011

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## 7-7 Equivalent FractionsPresentation Transcript

• 7-7 Equivalent Fractions Number Sense 1.5
• DeﬁnitionsFractions that name the sameamount are called EQUIVALENTFRACTIONS
• DeﬁnitionsFractions that name the sameamount are called EQUIVALENTFRACTIONS
• Deﬁnitions Fractions that name the same amount are called EQUIVALENT FRACTIONS0 1
• Deﬁnitions Fractions that name the same amount are called EQUIVALENT FRACTIONS 10 2 1
• Deﬁnitions Fractions that name the same amount are called EQUIVALENT FRACTIONS 10 2 1
• Deﬁnitions Fractions that name the same amount are called EQUIVALENT FRACTIONS 10 2 1
• Deﬁnitions Fractions that name the same amount are called EQUIVALENT FRACTIONS 10 2 1
• Deﬁnitions Fractions that name the same amount are called EQUIVALENT FRACTIONS 10 2 1 1 2
• Deﬁnitions Fractions that name the same amount are called EQUIVALENT FRACTIONS 10 2 1 1 2
• Deﬁnitions Fractions that name the same amount are called EQUIVALENT FRACTIONS 10 2 1 1 2 2 4
• 12
• 1 =2
• 1 = 22 4
• 1 2 =2 4
• 1 x2 = 22 x2 4
• 1 x2 = 2 2 x2 4 2Remember 2 3 17 or 987 equals 1 whole. 3 17 987
• 1 x2 = 2 2 x2 4 2Remember 2 3 17 or 987 equals 1 whole. 3 17 987
• 1 x2 = 2 2 x2 4 2Remember 2 3 17 or 987 equals 1 whole. 3 17 987 Multiplying anything by 1 leaves you with what you started with.
• 1 x2 = 2 2 x2 4 2Remember 2 3 17 or 987 equals 1 whole. 3 17 987 Multiplying anything by 1 leaves you with what you started with. Rule: What you do to the numerator, you do the SAME to the denominator.
• 24
• 2 =4
• 2 = 14 2
• 2 1 =4 2
• 2 ÷2 = 14 ÷2 2
• 2 ÷2 = 1 4 ÷2 2 2Remember 2 3 17 or 987 equals 1 whole. 3 17 987
• 2 ÷2 = 1 4 ÷2 2 2Remember 2 3 17 or 987 equals 1 whole. 3 17 987
• 2 ÷2 = 1 4 ÷2 2 2Remember 2 3 17 or 987 equals 1 whole. 3 17 987 Multiplying anything by 1 leaves you with what you started with.
• 2 ÷2 = 1 4 ÷2 2 2Remember 2 3 17 or 987 equals 1 whole. 3 17 987 Multiplying anything by 1 leaves you with what you started with. Rule: What you do to the numerator, you do the SAME to the denominator.
• 0 1
• 1 2 30 4 4 4 1
• 1 2 30 4 4 4 1
• 1 2 30 4 4 4 1
• 1 2 30 4 4 4 1
• 1 2 30 4 4 4 1
• 1 2 30 4 4 4 1 3 4
• 1 2 30 4 4 4 1 3 4
• 1 2 30 4 4 4 1 3 4 6 8
• 1 2 30 4 4 4 1 3 4 6 8
• 1 2 30 4 4 4 1 3 4 6 8 9 12
• 1 2 30 4 4 4 1 3 4 6 8 9 12 3 = 6 4 8
• 1 2 30 4 4 4 1 3 4 6 8 9 12 3 = 6 3 = 9 4 8 4 12
• 1 2 30 4 4 4 1 3 4 6 8 9 12 3 = 6 3 = 9 4 8 4 12 These are EQUIVALENT FRACTIONS
• 34
• 3 =4
• 3 =64 8
• 3 6 =84
• 3 x 2=64 x2 8
• 3 x 2=64 x2 8
• 3 x 2=6 4 x2 8Rule: What you do to the numerator,you do the SAME to the denominator.
• 3 x 2=6 4 x2 8 3 4Rule: What you do to the numerator,you do the SAME to the denominator.
• 3 x 2=6 4 x2 8 3 = 4Rule: What you do to the numerator,you do the SAME to the denominator.
• 3 x 2=6 4 x2 8 3 =9 4 12Rule: What you do to the numerator,you do the SAME to the denominator.
• 3 x 2=6 4 x2 8 3 9 = 4 12Rule: What you do to the numerator,you do the SAME to the denominator.
• 3 x 2=6 4 x2 8 3 x 3=9 4 x 3 12Rule: What you do to the numerator,you do the SAME to the denominator.
• 3 x 2=6 4 x2 8 3 x 3=9 4 x 3 12Rule: What you do to the numerator,you do the SAME to the denominator.
• 5 = ?6 24
• 5 = ?6 24
• 5 = ? 6 24What number times 6 gives you 24?
• 5 = ? 6 24What number times 6 gives you 24? 4
• 5 = ? 6 x 4 24What number times 6 gives you 24? 4
• 5 = ? 6 x 4 24What number times 6 gives you 24? 4 Rule: What you do to the numerator, you do the SAME to the denominator.
• 5 x 4= ? 6 x 4 24What number times 6 gives you 24? 4 Rule: What you do to the numerator, you do the SAME to the denominator.
• 5 x 4= 6 x 4 24What number times 6 gives you 24? 4 Rule: What you do to the numerator, you do the SAME to the denominator.
• 5 x 4 = 20 6 x 4 24What number times 6 gives you 24? 4 Rule: What you do to the numerator, you do the SAME to the denominator.
• 10 = ?25 5
• 10 = ?25 5
• 10 = ?25 5What number do you divide 25 by that gives you 5?
• 10 = ?25 5What number do you divide 25 by that gives you 5? 5
• 10 = ?25 ÷ 5 5What number do you divide 25 by that gives you 5? 5
• 10 = ? 25 ÷ 5 5 What number do you divide 25 by that gives you 5? 5Rule: What you do to the numerator,you do the SAME to the denominator.
• 10 ÷ 5 = ? 25 ÷ 5 5 What number do you divide 25 by that gives you 5? 5Rule: What you do to the numerator,you do the SAME to the denominator.
• 10 ÷ 5 = 25 ÷ 5 5 What number do you divide 25 by that gives you 5? 5Rule: What you do to the numerator,you do the SAME to the denominator.
• 10 ÷ 5 = 2 25 ÷ 5 5 What number do you divide 25 by that gives you 5? 5Rule: What you do to the numerator,you do the SAME to the denominator.