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Homework Practice

Printable assignment

Finding the Unknown Final Assessment

Core Concepts

Question 1mcq
Which is an equation?
A.x+5x+5
B.12+712+7
C.xx is a variable
D.x+5=12x+5=12
Question 2mcq
Which is an equation?
A.x+5=12x+5=12
B.x+5x+5
C.12+712+7
D.xx is a variable
Question 3mcq
Which is an equation?
A.x+5x+5
B.x+5=12x+5=12
C.12+712+7
D.xx is a variable
Question 4mcq
Which is an equation?
A.x+5x+5
B.12+712+7
C.x+5=12x+5=12
D.xx is a variable
Question 5mcq
Which is an equation?
A.x+5x+5
B.12+712+7
C.xx is a variable
D.x+5=12x+5=12
Question 6mcq
Which is an equation?
A.x+5=12x+5=12
B.x+5x+5
C.12+712+7
D.xx is a variable
Question 7mcq
Solve x+8=18x+8=18.
A.18
B.10
C.8
D.2
Question 8mcq
Solve x+9=20x+9=20.
A.20
B.9
C.11
D.2

Skill Practice

Question 9mcq
Solve x+8=19x+8=19.
A.19
B.8
C.3
D.11
Question 10mcq
Solve x+9=21x+9=21.
A.12
B.21
C.9
D.3
Question 11mcq
Solve x+8=20x+8=20.
A.20
B.12
C.8
D.4
Question 12mcq
Solve x+9=22x+9=22.
A.22
B.9
C.13
D.4
Question 13mcq
Solve 5x+8=735x+8=73.
A.73
B.14
C.21
D.13
Question 14mcq
Solve 5x+9=795x+9=79.
A.14
B.79
C.15
D.23
Question 15mcq
Solve 2x+8=362x+8=36.
A.36
B.14
C.18
D.22
Question 16mcq
Solve 2x+9=392x+9=39.
A.39
B.19
C.15
D.24

Application and Reasoning

Question 17mcq
Solve 3x+8=533x+8=53.
A.53
B.17
C.23
D.15
Question 18mcq
Solve 3x+9=573x+9=57.
A.16
B.57
C.19
D.25
Question 19mcq
Riya thinks of a number. Twice the number plus 8 is 40. Which equation represents this?
A.x+8=40x+8=40
B.2x+8=402x+8=40
C.2+x+8=402+x+8=40
D.2x−8=402x-8=40
Question 20mcq
Riya thinks of a number. Twice the number plus 9 is 43. Which equation represents this?
A.x+9=43x+9=43
B.2+x+9=432+x+9=43
C.2x+9=432x+9=43
D.2x−9=432x-9=43
Question 21mcq
Riya thinks of a number. Twice the number plus 8 is 42. Which equation represents this?
A.x+8=42x+8=42
B.2+x+8=422+x+8=42
C.2x−8=422x-8=42
D.2x+8=422x+8=42
Question 22mcq
Riya thinks of a number. Twice the number plus 9 is 45. Which equation represents this?
A.2x+9=452x+9=45
B.x+9=45x+9=45
C.2+x+9=452+x+9=45
D.2x−9=452x-9=45
Question 23mcq
Riya thinks of a number. Twice the number plus 8 is 44. Which equation represents this?
A.x+8=44x+8=44
B.2x+8=442x+8=44
C.2+x+8=442+x+8=44
D.2x−8=442x-8=44
Question 24mcq
Riya thinks of a number. Twice the number plus 9 is 47. Which equation represents this?
A.x+9=47x+9=47
B.2+x+9=472+x+9=47
C.2x+9=472x+9=47
D.2x−9=472x-9=47

Mixed Challenge

Question 25mcq
Which is an equation?
A.x+5x+5
B.x+5=12x+5=12
C.12+712+7
D.xx is a variable
Question 26mcq
Which is an equation?
A.x+5x+5
B.12+712+7
C.xx is a variable
D.x+5=12x+5=12
Question 27mcq
Which is an equation?
A.x+5x+5
B.x+5=12x+5=12
C.12+712+7
D.xx is a variable
Question 28mcq
Solve x+10=22x+10=22.
A.22
B.10
C.2
D.12
Question 29mcq
Solve x+10=23x+10=23.
A.23
B.13
C.10
D.3
Question 30mcq
Solve x+10=24x+10=24.
A.24
B.10
C.4
D.14