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How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
Your turn
Write down the equation each time you alter the scales.
Remember to take the same things off each side!
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
How many stars is a face worth?
Solve these without the diagrams:
1) 2f + 1 = 7
2) 3f + 5 = f + 11
3) 2f + 1 = f + 9
4) 5f + 3 = 2f + 15
5) 4f + 5 = 2f + 10
6) 3f + 10 = 4f + 4
7) 2f + 1 = 3f + 1
8) 2f – 5 = f + 1
http://nlvm.usu.edu/en/nav/frames_asid_201_g_4_t_2.html
Lesson ObjectiveBe able to solve equations using the balancing method
=? =? =? =? =? =?
16
16
17
8
16 15 11 15
=2 =4 =3 =5 =1 =6
16
16
17
8
16 15 11 15
2x + 7 = 10
3x - 5 = 13
3x - 5 = 2x + 4
Lesson Objective
All to be able to solve equations with an unknown on one side of the equation (level 5/6)Some to be able to solve equations with the unknown on both sides of the equation (level 6/7)
I think of a number, lets call it n. I Multiply it by 4 and add 5 the answer is 18.
What is n?
4n + 5 = 18
Solve the equation.
I think of a number, lets call it n. I Multiply it by 3
and take 2, the answer is 17.
What is n?
3n - 2 = 17
Solve the equation.
2n + 5 = 21
Solve the equation.
I think of a number, lets call it n. I Multiply it by 2 and add 5, the answer is
21.
What is n?
2n + 5 = 21
Solve the equation.
3n - 4 = 28
Solve the equation.
I think of a number, lets call it n. I Multiply it by 3
and take 4, the answer is 28.
What is n?
3n - 4 = 28
Solve the equation.
I think of a number, lets call it n. I Multiply it by 3
and take 5. The answer is 4 more
than the number I started with.
What is n?
3n - 5 = n + 4
Solve the equation.
