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Published byBrandon Preston Modified over 8 years ago

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Problem Solving Strategies 1) A spider has 8 legs and a dragonfly has 6 legs. There are 20 spiders and dragonflies altogether. There are 144 legs in all. Find the number of spiders and the number of dragonflies.

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Problem Solving Strategies 1) A spider has 8 legs and a dragonfly has 6 legs. There are 20 spiders and dragonflies altogether. There are 144 legs in all. Find the number of spiders and the number of dragonflies. Guess and CheckUsing Table No of spiders No of legs No of dragonfli es No of legs Total no Of legs Total no Of insects Check 10 10 x 8 = 80 80+60=140 10x6 = 60 10 20X 11 11 x 8 = 88 54+88 = 142 9x6=54 9 20 X 12 12 x 8 = 968x6 =48 8 20 96+48=144 √

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Problem Solving Strategies 1) A spider has 8 legs and a dragonfly has 6 legs. There are 20 spiders and dragonflies altogether. There are 144 legs in all. Find the number of spiders and the number of dragonflies. Guess and CheckUsing Table No of spiders No of legs No of dragonflies No of legs Total no Of legs Total no Of insects Check 10 10 x 8 = 80 80+60=140 10x6 = 60 10 20X 11 11 x 8 = 88 54+88 = 142 9x6=54 9 20 X 12 12 x 8 = 968x6 =48 8 20 96+48=144 √

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Guess and Check 1)Make a table to keep present your guesses and checks neatly. 2) Write number statements in your boxes. 3) Circle your answers. 4) Must have at least 3 guesses. (Even though your first guess is already correct)

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Problem Solving Strategies 2) A florist gives away 3 stalks of roses for every 4 bouquets of flowers sold. If she has 16 bouquets of flowers to sell, how many stalks of roses does she need?

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Problem Solving Strategies 2) A florist gives away 3 stalks of roses for every 4 bouquets of flowers sold. If she has 16 bouquets of flowers to sell, how many stalks of roses does she need? Find a patternUsing Table Stalks of flowers Bouquets of flowers Count in 3s Count in 4s 4 + 4 81216 3 + 4 + 3 6 9 12

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Find a Pattern 1)Make a table to arrange the numbers neatly. 2) Include arrows to show the pattern. 3) Circle your answers.

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