Math · Age 10 · Ratio, Proportion & Early Algebra
Equations with an Unknown Symbol (Ex. 1)
Represent problems with equations using a symbol for the unknown, e.g. x + 5 = 12.
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
Solve: x + 5 = 12. What is x?
Question 2
Multiple choice
Solve: y - 4 = 9. What is y?
Question 3
Multiple choice
Solve: 3n = 18. What is n?
Question 4
Sequence
Solutions to x + n = 10: x=9 when n=1, x=8 when n=2, x=7 when n=3, x=___ when n=4, x=5 when n=5. What is the missing value?
Question 5
True or false
The solution to x + 7 = 15 is x = 8.