One step- Equations
Solve for k.
4k= 36
The correct answer for k is 9.
9= k
What is the length of the missing leg?
A= 7 in.
C= 13 in.
B= ? in.
The correct answer is 11 in.
(13)2 - (7)2 = 120
(120)squared root = 11
B= 11 in.
Find the unit rate.
12 newspapers in 2 piles = ___ newspapers per pile
The correct answer is 6.
Divide:
12 ÷ 2 = 6
6 newspapers per pile
Solve for t.
18= t/5
The correct answer for t is 3.
3= t
What is the length of the missing leg?
A= 18 in.
C= 30 in.
B= ? in.
The correct answer is 24 in.
(30)2 - (18)2 = 576
(576)squared root = 24
B= 24 in.
Find the unit rate.
33 sit-ups in 3 days = ___ sit-ups per day
The correct answer is 11.
Divide:
33 ÷ 3 = 11
11 sit-ups per day
Solve for r.
r + 13= -15
The correct answer for r is -28.
-28= r
What is the length of the missing leg?
C= 5 cm.
B= 3 cm.
A= ? cm.
The correct answer is 4 cm.
(5)2 - (3) = 16
(16)squared root = 4
A= 4 cm.
Find the unit rate.
60 minutes for 4 songs = __ minutes per song
The correct answer is 15.
Divide:
60 ÷ 4 = 15
15 minutes per song
Solve for b.
-7= 39 + b
The correct answer for b is -46.
46= b
What is the length of the missing leg?
C= 29 cm.
B= 20 cm.
A= ? cm.
The correct answer is 21 cm.
(29)2 - (20) = 441
(441)squared root = 21
A= 21 cm.
Find the unit rate.
39 laps in 3 days = __ laps per day
The correct answer is 13.
Divide:
39 ÷ 3 = 13
13 laps per day
Solve for u.
-u= -49
The correct answer for u is 49.
49= u
What is the length of the missing leg?
C= 85 km.
A= 77 km.
B= ? km.
The correct answer is 36.
(85)2 - (77)2 = 1,296
(1,296)squared root = 36
B= 36 km.
Find the unit rate.
84 plants in 7 rows = ___ plants per row
The correct answer is 12.
Divide:
84 ÷ 7 = 12
12 plants per row