Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

What is rate for the cups of flour per pizza crust?

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

What is rate for the cups of flour per pizza crust?

3.75

3= 1.25 𝑐𝑢𝑝𝑠 𝑝𝑒𝑟 𝑐𝑟𝑢𝑠𝑡

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

What is rate for the number of pizza crust per cups of flour ?

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

What is rate for the number of pizza crust per cups of flour ?

3

3.75= 0.8 𝑐𝑟𝑢𝑠𝑡𝑠 𝑝𝑒𝑟 𝑐𝑢𝑝 𝑜𝑓 𝑓𝑙𝑜𝑢𝑟

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

If p represents the number of pizza crusts and c represents cups of flour, Which of these equations represents the relationship between p and c ?

𝑐 =5

4𝑝

𝑝 =5

4𝑐 𝑝 =

3

4𝑐

𝑐 =3

4𝑝

a.

b.

c.

d.

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

If p represents the number of pizza crusts and c represents cups of flour, Which of these equations represents the relationship between p and c ?

𝑐 =5

4𝑝

𝑝 =5

4𝑐 𝑝 =

3

4𝑐

𝑐 =3

4𝑝

a.

b.

c.

d.

3.75

3= 1.25 𝑜𝑟

5

4

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

If p represents the number of pizza crusts and c represents cups of flour, Which of these equations represents the relationship between p and c ?

𝒄 =5

4𝒑b.

To check your thinking, substitute and evaluate!

𝟑. 𝟕𝟓 =5

4(𝟑)

3.75 = 1.25(𝟑)

3.75 = 3.75

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

If Mrs. Boyter has 30 cups of flour, how many pizza crusts can she make using this recipe?

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

If Mrs. Boyter has 30 cups of flour, how many pizza crusts can she make using this recipe?

24 pizza crusts

3.75 𝑐𝑢𝑝𝑠

3 𝑐𝑟𝑢𝑠𝑡𝑠=30 𝑐𝑢𝑝𝑠

? 𝑐𝑟𝑢𝑠𝑡𝑠

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

If Mrs. Boyter has 11.25 cups of flour, how many pizza crusts can she make using this recipe?

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

If Mrs. Boyter has 11.25 cups of flour, how many pizza crusts can she make using this recipe?

9 pizza crusts

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

If Mrs. Boyter has 15 cups of flour, how many pizza crusts can she make using this recipe?

Whiteboard Review

Mrs. Boyter has a recipe for pizza dough. She uses 𝟑. 𝟕𝟓 cups of flour to make 3 large pizza crusts.

If Mrs. Boyter has 15 cups of flour, how many pizza crusts can she make using this recipe?

12 pizza crusts

Whiteboard Review

If Mrs. Boyter sells each pizza for $5. How much would a pizza cost with 8% tax added?

Whiteboard Review

If Mrs. Boyter sells each pizza for $5. How much would a pizza cost with 8% tax added?

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 × 1 +% 𝑖𝑛𝑐𝑟𝑒𝑎𝑠𝑒 = 𝑛𝑒𝑤 𝑝𝑟𝑖𝑐𝑒

Whiteboard Review

If Mrs. Boyter sells each pizza for $5. How much would a pizza cost with 8% tax added?

$5.40

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 × 1 +% 𝑖𝑛𝑐𝑟𝑒𝑎𝑠𝑒 = 𝑛𝑒𝑤 𝑝𝑟𝑖𝑐𝑒

5 × 1 + 0.08 = 𝑛𝑒𝑤 𝑝𝑟𝑖𝑐𝑒

5 × 1.08 = 5.40

Whiteboard Review

If Mrs. Boyter sells each pizza for $7. How much would a pizza cost with 8% tax?

Whiteboard Review

If Mrs. Boyter sells each pizza for $7. How much would a pizza cost with 8% tax?

$7.56

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 × 1 +% 𝑖𝑛𝑐𝑟𝑒𝑎𝑠𝑒 = 𝑛𝑒𝑤 𝑝𝑟𝑖𝑐𝑒

7 × 1.08 = 7.56

Whiteboard Review

If a pizza cost $11.88 with 8% tax already added, what was the original price of the pizza?

Whiteboard Review

If a pizza cost $11.88 with 8% tax already added, what was the original price of the pizza?

$11

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 × 1 +% 𝑖𝑛𝑐𝑟𝑒𝑎𝑠𝑒 = 𝑛𝑒𝑤 𝑝𝑟𝑖𝑐𝑒

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 × 1.08 = 11.88

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 = 11.88 ÷ 1.08

Whiteboard Review

If Andre is 150lbs and his little brother weighs 20% less, how much does his little brother weigh?

Whiteboard Review

If Andre is 150lbs and his little brother weighs 20% less, how much does his little brother weigh?

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 × 1 −% 𝑑𝑒𝑐𝑟𝑒𝑎𝑠𝑒 = 𝑛𝑒𝑤

Whiteboard Review

If Andre is 150lbs and his little brother weighs 20% less, how much does his little brother weigh?

Andre’s brother weighs 120𝑙𝑏𝑠.

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 × 1 −% 𝑑𝑒𝑐𝑟𝑒𝑎𝑠𝑒 = 𝑛𝑒𝑤

150 × 1 − 0.20 = 𝑏150 × 0.8 = 𝑏

120 = 𝑏

Whiteboard Review

If Andre is 150lbs and his big sister weighs 11% more, how much does his big sister weigh?

Whiteboard Review

If Andre is 150lbs and his big sister weighs 11% more, how much does his big sister weigh?

Andre’s sister weighs

166.5 𝑙𝑏𝑠.

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 × 1 +% 𝑖𝑛𝑐𝑟𝑒𝑎𝑠𝑒 = 𝑛𝑒𝑤

150 × 1 + 0.11 = 𝑏150 × 1.11 = 𝑏

166.5 = 𝑏

Whiteboard Review

If a mother elephant is 65% taller than her baby and the baby is 2 meters tall. How tall is the mother elephant?

Whiteboard Review

If a mother elephant is 65% taller than her baby and the baby is 2 meters tall. How tall is the mother elephant?

The mother is 3.3 meters

tall.

𝑜𝑟𝑖𝑔𝑖𝑛𝑎𝑙 × 1 +% 𝑖𝑛𝑐𝑟𝑒𝑎𝑠𝑒 = 𝑛𝑒𝑤

2 × 1 + 0.65 = 𝑏2 × 1.65 = 𝑏

3.3 = 𝑏