MSA 3.4b – Solving Equations with negative numbers
Learning Target:
I will write and solve symbolic equations with one variable.
Homework:
1) Complete and Correct classwork.
2) Complete p. 13 of the packet and correct with
the zaption 3.4 Practice.
Warm Up: Write the equivalent equations and find out
1.
how many chocolates are in each box, represented by c.
2.
=
=
=
=
5c = c + 24
4c + 2 = 2c + 16
Check:
Check:
Does it make sense to think about
negative numbers by using coins or chocolate?
Does it make sense to think about
fractions by using coins or chocolate?
Working with negative numbers
1. For each problem, record each step you take to find your solution
and then check your answer.
Balance Check:
x =2
Balance Check:
x =6
Balance Check:
x = -6
Balance Check:
Balance Check:
x = -2
x = -2
Balance Check:
x =6
2. For each problem, record each step you take to find your solution
and then check your answer.
Balance Check:
x = 24
Balance Check:
x = 2.5
Balance Check:
x = 2/5
Balance Check:
x = -20
Balance Check:
x = -15/7 or – 2 1/7
Balance Check:
x =6
Balance Check:
x = 5/3 or 1 and 2/3
Balance Check:
x =2
3. Below are examples of students’ solutions to the equations from
question 3. Is each solution correct? If not, explain what the error is.
Challenge: Solve each equation for x. Show all steps and check your answer.
Check:
Check:
Challenge: Solve each equation for x. Show all steps and check your answer.
Check:
Check:
MSA 3.4b Solving Equations
Learning Target:
I will write and solve symbolic equations with one variable.
Homework:
1) Complete and Correct classwork.
2) Complete p. 13 of the packet and correct with
the zaption 3.4 Practice.