EXPRESSIONS VS EQUATIONS
What symbol tells you something is an equation?
What is an equals sign (=)?
Solve:
x + 4 = 12
What is 8?
What is the opposite operation of addition?
What is subtraction?
Solve:
2p + 4 = 10
What is 3?
Stephanie cycles 4 km to the mall and 11 km total. How far from the mall to the office?
What is 7 km?
True or False: An expression must balance.
What is false?
Solve:
y - 14 = 17
What is 31?
What is the opposite operation of multiplication?
What is division?
Solve:
3w + 3 = 6
What is 1?
Mr. Carnduff eats some cookies in the morning and 5 later. There were 12 total. How many in the morning?
What is 7 cookies?
Is this an expression or equation?
2x + 5 = 11
What is an equation?
Solve:
6b = 42
What is 7?
What operation would you use first to solve:
x + 33 = 44
What is subtract 33?
Solve:
9t - 70 = 20
What is 10?
What does it mean to isolate the variable?
What is getting the variable alone?
Each side of an equation is called what?
What is an expression?
Solve:
x รท 8 = 11
What is 88?
Why must you do the same operation to both sides of an equation?
What is to keep the equation balanced?
Solve:
53 = 4r - 11
What is 16?
True or False:
You can solve equations by inspection.
What is true?
Explain the difference between an expression and an equation.
What is:
An equation has an equals sign and balances, while an expression does not.
Solve:
31 = b - 132
What is 163?
Solve:
8x = 56 using opposite operations.
What is x = 7?
What does SAMDEB help us remember?
What is the reverse order of BEDMAS for solving equations?
Solve and check:
5r = 55
What is 11?