Presentation is loading. Please wait.

Presentation is loading. Please wait.

1-8 Solving Equations Using Inverse Operations Objective: Use inverse operations to solve equations.

Similar presentations


Presentation on theme: "1-8 Solving Equations Using Inverse Operations Objective: Use inverse operations to solve equations."— Presentation transcript:

1 1-8 Solving Equations Using Inverse Operations Objective: Use inverse operations to solve equations.

2 5-Minute Check Use the grid to name the point for each ordered pair. 1.(2, 5)

3 5-Minute Check Use the grid to name the point for each ordered pair. 1.(2, 5) P

4 5-Minute Check Use the grid to name the point for each ordered pair. 1.(2, 5) 2.(4, 3)

5 5-Minute Check Use the grid to name the point for each ordered pair. 1.(2, 5) 2.(4, 3)R

6 5-Minute Check Use the grid to name the point for each ordered pair. 1.(2, 5) 2.(4, 3) 3.(1, 3)

7 5-Minute Check Use the grid to name the point for each ordered pair. 1.(2, 5) 2.(4, 3) 3.(1, 3)V

8 5-Minute Check Use the grid to name the ordered pair for each point. 4.Q

9 5-Minute Check Use the grid to name the ordered pair for each point. 4.Q(3, 2)

10 5-Minute Check Use the grid to name the ordered pair for each point. 1.Q 2.T

11 5-Minute Check Use the grid to name the ordered pair for each point. 1.Q 2.T(6, 4)

12 5-Minute Check Use the grid to name the ordered pair for each point. 1.Q 2.T 3.U

13 5-Minute Check Use the grid to name the ordered pair for each point. 1.Q 2.T 3.U(3, 6)

14 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. a.k – 18 = 13

15 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. a.k – 18 = 13 k = Write a related addition sentence.

16 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. a.k – 18 = 13 k = Write a related addition sentence. k = 31

17 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. b.20 + x = 32

18 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. b.20 + x = 32 x = 32 – 20 Write a related subtraction sentence.

19 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. b.20 + x = 32 x = 32 – 20 Write a related subtraction sentence. x = 12

20 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. n/6 = 18

21 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. c.n/6 = 18 n = 18 * 6 Write a related multiplication sentence.

22 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. c.n/6 = 18 n = 18 * 6 Write a related multiplication sentence. n = 108

23 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. d.2m = 54

24 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. d.2m = 54 m = 54/2 Write a related division sentence.

25 Solving Equations Using Inverse Operations Example 1 Solve each equation using the inverse operations. d.2m = 54 m = 54/2 Write a related division sentence. m = 27

26 Solving Equations Using Inverse Operations Example 2 A number decreased by sixteen is 31. Find the number. Let n represent the number. Translate the words into an equation using the variable. A number decreased by 16 is 31

27 Solving Equations Using Inverse Operations Example 2 A number decreased by sixteen is 31. Find the number. Let n represent the number. Translate the words into an equation using the variable. A number decreased by 16 is 31 n – 16 = 31

28 Solving Equations Using Inverse Operations Example 2 A number decreased by sixteen is 31. Find the number. Let n represent the number. Translate the words into an equation using the variable. A number decreased by 16 is 31 n – 16 = 31 n = Write a related addition sentence.

29 Solving Equations Using Inverse Operations Example 2 A number decreased by sixteen is 31. Find the number. Let n represent the number. Translate the words into an equation using the variable. A number decreased by 16 is 31 n – 16 = 31 n = Write a related addition sentence. n = 47 The number is 47.

30 Solving Equations Using Inverse Operations Example 2 A number decreased by sixteen is 31. Find the number. Let n represent the number. Translate the words into an equation using the variable. A number decreased by 16 is 31 n – 16 = 31 n = Write a related addition sentence. n = 47 The number is 47. Check: Since 47 – 16 = 31, the solution is correct.


Download ppt "1-8 Solving Equations Using Inverse Operations Objective: Use inverse operations to solve equations."

Similar presentations


Ads by Google