Terminology
What is a constant?
a number that is not multiplied or divided by a variable
Summer has 10x pens and Lillee has 4x pens. How many do they have altogether?
14x
2(x + 3)
2x + 6
Winter has 4x stickers and gives away x to Grace. How many does she have left?
3x
What is the name of the fairy in peter pan?
Tinker bell
What is a coefficient
The number infront of a variable
Scarlett bought 3 turtles and Ailisia bought 2 turtles.
They cost $4 each. How much did they spend altogether?
$20
4x - 16
Milla buys 3b lollies and Chloe buys 4b. Altogether they have 21 lollies. What is the value of b?
3
Guess the movie 🎩🍫🏭
Charlie and the chocolate factory
What is the coefficient of x? 2y - 2x +3
-2
Jamee thinks of a number n
she doubles it and then adds 2. Her answer is 14. What is the value of n?
6
4x(2 -3y)
8x - 12xy
Madi think of a number x
She multiplies it by 2 and then adds 4. Her answer is 10. What is her original number?
3
Finish the lyric "Hey, I just met you and this is crazy ...
but here's my number so call me maybe
What is the coefficient of a? 4b + a
1
Billie receives $x from 4 relatives. She already had $15. Write an expression for how much money she now has.
4x + 15
3a(a + 2x - 8)
3a^2 + 6ax - 24a
If Jess has 4x + 2 points and Dannii has 2x + 8 points and x = 2, who has more points?
Dannii
Guess the movie 🏡👦🎄😱
home alone
What maths operation is in between the 2 and x in 2x?
times
Lily kicked 4 goals and 2 points.
Goals = 6
Points = 1
What is her total score?
26
Sarah and Finn bought a pen each for $4 and 3 notes books that cost $x each. Write an expression for her purchase.
3x + 8
Jorja and Ailisia start a dog walking business and charge a call out fee of $30 and $15h ($15 per hour)
They work for 4 hours, how much money did she make?
$90
Finish the lyrics "we're soaring, flying there's not a star in heaven that we can't reach...
if we're trying so we're breaking free