Patterns
"What comes next in this pattern: 2, 4, 6, 8, __?"
10
"Solve for x:
x+5=10
(Answer: x=5)
What is a variable?
Answer: A symbol, often a letter, that represents a number
Sophie has 5 apples. She buys 3 more. Write an equation to represent how many apples Sophie has now.
(Answer: x=5+3)
"Identify the rule for this pattern: 3, 6, 9, 12, 15."
Add 3
Solve for y:
3y=12
(Answer: y=4)
In this equation, 4x=16, what is the variable?
(Answer: x)
Liam spends $12 on a book and $8 on a toy. Write an equation to find out how much money he spent in total, and solve it.
(Answer: x=12+8, x=20)
"Write the next three terms in this pattern: 5, 10, 20, 40, __, __, __."
(Answer: 80, 160, 320)
Which operation will you do first in this equation: 2x+3=11
(Answer: Subtract 3 from 11)
In the equation x−2=5, solve for the variable x.
(Answer: x=7)
Ella has twice as many marbles as Jake. If Jake has 4 marbles, write and solve an equation to find how many Ella has.
Answer: x=2×4; x=8
"This is the pattern rule: Start at 2 and multiply by 3 each time. What are the first four terms?"
(Answer: 2, 6, 18, 54)
Solve: 2x−4=10
(Answer: x=7)
If x=3 , what is the value of 5x−4?
(Answer: 11)
A car travels 50 km in one hour. Write an equation to find out how far the car travels in h hours, and solve it when h=3.
Answer: d=50h ;d=150 km