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Published byRobyn Rich Modified over 8 years ago

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7-1: Estimating Products How do I do it? Ex. 1: Round the whole number, than do the problem. 1 4 13 x Round 13 to 12 (easier to work with the 4) 1 4 12 x= 3 Ex 2: Round the fractions, than do the problem. 1 3 x Rounds up to 1. 1 2 1 x= 7 8 Rounds to ½. 1 2

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7-2: Multiplying Fractions How do I do it? Step 1: Multiply across. 1 3 x 1 4 1 12 = 2 5 x 3 7 6 35 =

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7-3: Multiplying Mixed Numbers How do I do it? 2 2 1 2 4 1 Step 1: Convert to Improper Fractions x 2 5 4 9 x Step 2: Multiply. Reduce and Convert if Needed. 2 5 4 9 x= 8 45 8 5 8 5 =

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7-4: Dividing Fractions How do I do it? 8 1 4 3 Step 1: Change the 2 nd number to its reciprocal (reverse.) 8 1 3 4 x Step 2: Multiply. Reduce if needed. 8 1 3 4 x = 24 4 = 6 1 Reduce

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7-5: Dividing Mixed Numbers How do I do it? 5 2 1 1 4 3 Step 1: Change the fractions to improper fractions. Then change the 2 nd number to its reciprocal (reverse.) 2 11 7 4 x Step 2: Multiply. Reduce the fraction and convert it if needed. 2 11 7 4 x= 14 44 7 22 3 7 1 = 14 44 = Reduce

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7-6: Patterns and Function Sequences How do I do it? Step 1: Look for the pattern. Make sure that the pattern works past the first 2 numbers. 16, 24, 32, 40, __, __ +8 Following the pattern of +8, the next two numbers are 48 and 56.

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