Collecting like terms
The Maths Habit
Which is the odd one out?
Why?
4x7x7yx2
- Like terms
- Terms with exactly the same letter part.
Like terms? Yes or no
Like terms? Yes or no
Like terms? Yes or no
Like terms? Yes or no
Like terms? Yes or no
Like terms? Yes or no
Like terms? Yes or no
Like terms? Yes or no
Like terms? Yes or no
Simplify
Simplify
Simplify
Simplify
Simplify
Simplify
Simplify 7a + a + 3a.
11aSimplify 10p − 4p − p.
5pWhich two of these are like terms? 4b, 4, b2, 9b
4b and 9bFind the missing term. 8y − ? = 3y
5y
Simplify 5x + 4 + 2x − 1.
| x | number |
|---|---|
| 5x + 2x | 4 − 1 |
| 7x | 3 |
Simplify 3a + 6 − a + 2.
| a | number |
|---|---|
| 3a − a | 6 + 2 |
| 2a | 8 |
Simplify 5x + 4 + 2x − 1.
| x | number |
|---|---|
| 5x + 2x | 4 − 1 |
| 7x | 3 |
Simplify 4y + 3 + 3y − 5.
| y | number |
|---|---|
| 4y + 3y | 3 − 5 |
| 7y | −2 |
Simplify 5x + 4 + 2x − 1.
| x | number |
|---|---|
| 5x + 2x | 4 − 1 |
| 7x | 3 |
Simplify 6b + 2 − 4b + 7.
| b | number |
|---|---|
| 6b − 4b | 2 + 7 |
| 2b | 9 |
Simplify 5x + 4 + 2x − 1.
| x | number |
|---|---|
| 5x + 2x | 4 − 1 |
| 7x | 3 |
Simplify 9 + 2k − 3 + 5k.
| k | number |
|---|---|
| 2k + 5k | 9 − 3 |
| 7k | 6 |
Simplify 5x + 4 + 2x − 1.
| x | number |
|---|---|
| 5x + 2x | 4 − 1 |
| 7x | 3 |
Simplify 5n − 3 − 4n − 2.
| n | number |
|---|---|
| 5n − 4n | −3 − 2 |
| n | −5 |
Answer sheet
The sides of a triangle are x + 3, 2x + 1 and 3x − 2. Write an expression for its perimeter.
6x + 2Jo says 3x + 4 simplifies to 7x. Explain the mistake.
Not like termsSimplify 8p + 3q − 2p − 7q.
6p − 4q
Simplify 6w + w − 4w
3wSimplify 7m + 2n − 3m − 5n
4m − 3nLeo says 5a + 2b − a simplifies to 6ab. Find the right answer.
4a + 2b