Ch. 12 Coordinate Plane

Lessons 1 & 2

100

Pg. 553 #2

(2,3)

200

Pg. 553 #9

Heart

300

Pg. 554 #14

7 units

400

Pg. 553 #11

Bear; The bear is 3 units above the orange and the hat is 4 units to the right of the orange. So, 3 < 4.

500

Pg. 554 #16

Answers may vary: (2,3) and (4,3)

Lesson 3

100

Pg. 554 #17

See book 

200

Pg. 554 #18

In game 6, the team scored 3 home runs. 

300

Pg. 554 #19

4 homeruns 

400

Pg. 554 How many homeruns were scored in games 1-3?

8 homeruns

500

Pg. 554 How many more homeruns were scored in games 4-6 than in 1-3?

9-8= 1 more homerun

Lesson 4

100

Pg. 555 #20

See book

200

Pg. 555 #21

3 and 4

300

Pg. 555 #22

7 pineapples

400

Pg. 555 What is the difference between pineapples sold in five hours than three hours?

11 pineapples

500

Pg. 555 How many pineapples were sold in all seven hours?

96 pineapples

Lesson 5

100

Pg. 555 #23

add 8; add 24; see chart in book

200

Pg. 555 #24

The muffin batter is 3 times the amount of chopped strawberries. 

300

Pg. 555 If I had 8 dozen strawberry muffins, how much muffin batter would I need? 

192 ounces of muffin batter

400

Pg. 556 What is the relationship between the batches to red paint AND the relationship between the red and blue paint?

The red paint is 5 times the batches. Subtract double the amount of batches of the red paint to get the blue paint. 

500

Pg. 556 #25

See chart

Lesson 6

100

Pg. 556 #26

See chart and graph

200

Pg. 556 #27

$400

300

Pg. 556 #28 

56 hours

400

Pg. 556 #29

See chart; Divide the number of minutes by 2 to find the cost of playing. 

500

Pg. 556 If my friend and I both wanted to play laser tag for one hour, what would the total cost be to play?

60/2 = $30 per person

30 + 30 = $60 to play