hw #2.9: one-step equations with addition & subtraction · hw #2.9: one-step equations with...

HW #2.9: One-Step Equations with Addition & Subtraction Solve each equation and check your work by substituting. Show all work in your notebook. 1) 𝑥 + 9 = 20

2) −10 = 3 + 𝑦

3) 2 = 𝑧 − 6.4

4) 𝑐 + 13 = 4.5

5) 𝑚 − !

!= !!

!"

6) − !

!= 𝑝 + !

!

Write an equation for each word problem by identifying clue words and using the CUBES strategy. Then solve and answer in one complete sentence. 7) The Miami Heat scored 79 points. This was

13 points less than the Chicago Bulls. How many points did the Chicago Bulls score?

8) The temperature reading at noon began at 25℉. The temperature reading by the end of the evening was −7℉. How much did the temperature change from noon to evening?

9) Unit 1 Spiral Review A helicopter is 1 !

!

meters above the top of a canyon wall. It goes down 2 !

!" meters, passing into the

canyon, and then goes up 5 meters. What is the new position of the helicopter relative to the top of the canyon wall?

     HW #2.9: One-Step Equations with Addition & Subtraction Solve each equation and check your work by substituting. Show all work in your notebook. 1) 𝑥 + 9 = 20

2) −10 = 3 + 𝑦

3) 2 = 𝑧 − 6.4

4) 𝑐 + 13 = 4.5

5) 𝑚 − !

!= !!

!"

6) − !

!= 𝑝 + !

!

Write an equation for each word problem by identifying clue words and using the CUBES strategy. Then solve and answer in one complete sentence. 7) The Miami Heat scored 79 points. This was

13 points less than the Chicago Bulls. How many points did the Chicago Bulls score?

8) The temperature reading at noon began at 25℉. The temperature reading by the end of the evening was −7℉. How much did the temperature change from noon to evening?

9) Unit 1 Spiral Review A helicopter is 1 !

!

meters above the top of a canyon wall. It goes down 2 !

!" meters, passing into the

canyon, and then goes up 5 meters. What is the new position of the helicopter relative to the top of the canyon wall?

       HW #2.9: One-Step Equations with Addition & Subtraction Solve each equation and check your work by substituting. Show all work in your notebook. 1) 𝑥 + 9 = 20

2) −10 = 3 + 𝑦

3) 2 = 𝑧 − 6.4

4) 𝑐 + 13 = 4.5

5) 𝑚 − !

!= !!

!"

6) − !

!= 𝑝 + !

!

Write an equation for each word problem by identifying clue words and using the CUBES strategy. Then solve and answer in one complete sentence. 7) The Miami Heat scored 79 points. This was

13 points less than the Chicago Bulls. How many points did the Chicago Bulls score?

8) The temperature reading at noon began at 25℉. The temperature reading by the end of the evening was −7℉. How much did the temperature change from noon to evening?

9) Unit 1 Spiral Review A helicopter is 1 !

!

meters above the top of a canyon wall. It goes down 2 !

!" meters, passing into the

canyon, and then goes up 5 meters. What is the new position of the helicopter relative to the top of the canyon wall?

       HW #2.9: One-Step Equations with Addition & Subtraction Solve each equation and check your work by substituting. Show all work in your notebook. 1) 𝑥 + 9 = 20

2) −10 = 3 + 𝑦

3) 2 = 𝑧 − 6.4

4) 𝑐 + 13 = 4.5

5) 𝑚 − !

!= !!

!"

6) − !

!= 𝑝 + !

!

Write an equation for each word problem by identifying clue words and using the CUBES strategy. Then solve and answer in one complete sentence. 7) The Miami Heat scored 79 points. This was

13 points less than the Chicago Bulls. How many points did the Chicago Bulls score?

8) The temperature reading at noon began at 25℉. The temperature reading by the end of the evening was −7℉. How much did the temperature change from noon to evening?

9) Unit 1 Spiral Review A helicopter is 1 !

!

meters above the top of a canyon wall. It goes down 2 !

!" meters, passing into the

canyon, and then goes up 5 meters. What is the new position of the helicopter relative to the top of the canyon wall?