Is this equation balanced?
You must prove your answer.
You must prove your answer.
37 + 12 = 48
.
What is no?
Proof: 37 + 12 = 49, not 48
7 + n = 17
✅ What is n = 10?
x is greater than 60
✅ What is x > 60?
A closed circle at 40 with an arrow going left
✅ What is x ≤ 40?
Zakk earned $135 shovelling snow. He now has $215 total.
How much money did he have before?
✅ Algebraic equation:
135 + b = 215
✅ Answer:
What is b = 80?
70 ÷ 7 = 10
✅ What is true?
29 + □ = 36
✅ What is 7?
x is less than or equal to 16
✅ What is x ≤ 16?
An open circle at 60 with an arrow going right
✅ What is x > 60?
There are 35 animals total on a farm. 12 are cows.
How many horses are there?
✅ Algebraic equation:
12 + h = 35
✅ Answer:
What is h = 23?
7 × 4 = 21
✅ What is false?
7 X 4 = 28
2n = 18
✅ What is n = 9?
x < 12
✅ What is “x is less than 12”?
A closed circle at 30 with an arrow going right
✅ What is x ≥ 30?
Mrs. Johnson baked 54 cookies. Each child got 6 cookies.
How many children were at the party?
✅ Algebraic equation:
6c = 54
✅ Answer:
What is c = 9?
49 − 5 = 45
What is false?
Proof: 49 − 5 = 44, so the equation is not balanced.
8n = 24
✅ What is n = 3?
x is greater than or equal to 40
✅ What is x ≥ 40?
An open circle at 90 with an arrow going right
✅ What is x > 90?
Ethan scored 49 goals one year and 53 goals the next year.
How many goals must Matthew score to match Ethan’s total?
✅ Algebraic equation:
m = 49 + 53
✅ Answer:
What is m = 102?
67 − 8 = 59
What is true?
Proof: 67 − 8 = 59, so both sides are equal.
30 ÷ n = 10
✅ What is n = 3?
x is less than 80
=
✅ What is x < 80?
A closed circle at 50 with an arrow left
✅ What is x ≤ 50?
James has 42 hockey cards. Ian has 58 hockey cards.
How many more cards does James need to have the same amount as Ian?
✅ Algebraic equation:
42 + x = 58
✅ Answer:
What is x = 16?