Week 23

GCF of 36 and 72

What is the question asking?

• What is the largest number that goes into both 36 and 72?

• What is the smallest number that both numbers go into?

• What is the difference between 36 and 72?

• What is the product of 36 and 72?

To find the GCF or 36 and 72, what do you do? (there are 2 options)

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What is the GCF of 36 and 72?

which ratios are equivalent to 3:4?

• 1:2

• 6:8

• 12:16

• 30:40

Which unit rates are equivalent to 42 miles per hour?

• 21 miles in 30 minutes

• 84 miles in 2 hours

• 420 miles in 10 hours

• 36 miles in 2 hours

• 84 mies in 3 hours

Maria has 2 1/2 pounds of cherries and thinks that she can make 3 pies. How many pounds of cherries is she thinking she needs for each pie? How do you figure this out?

Maria has 2 1/2 pounds of cherries and thinks that she can make 3 pies. How many pounds of cherries is she thinking she needs for each pie?

0.2 x 3.15= this is the same as

• 315 x 2 then move the decimal 3 spots to the left in the product

• 315 x 2 then move the decimal 2 spots to the left in the product

• 315 x 2 then move the decimal 3 spots to the right in the product

• 315 x 2 then move the decimal 2 spots to the right in the product

0.2 x 3.15=

• keep change flip

• find a common denominator and multiply the numerators

• multiply the numerators and denominators

• find a common denominator and divide the numerators