Math · Age 10 · Ratio, Proportion & Early Algebra
Equations with an Unknown Symbol (Ex. 3)
Challenge: represent and solve problems using equations with unknowns.
Module
Ratio, Proportion & Early Algebra
Age
Age 10
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
Sara has some stickers. She gets 9 more and now has 20. Which equation shows this, and what is the solution?
Question 2
Multiple choice
Solve: 2x + 3 = 11. What is x?
Question 3
Multiple choice
A number divided by 4 equals 6. Which equation is this?
Question 4
Sequence
Solutions to x - n = 5: x=6 when n=1, x=7 when n=2, x=8 when n=3, x=9 when n=___, x=10 when n=5. What is the missing n?
Question 5
True or false
The solution to 2x + 4 = 14 is x = 5.