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missing-level1-all(1)

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Name :
Missing Values
L1S1
1) The variable y varies directly with x. The value of y is 24 when x = 8.
a)
Write an equation that relates x and y.
b)
Find the value of y when x = 5.
2) The variable m varies inversely with n. The value of m is 2 when n = 1 .
4
a)
Write an equation that relates m and n.
b)
Find the value of n when m = 2.
3) The variable p varies directly with q. The value of p is –2.4 when q = –3.2.
a)
Write an equation that relates p and q.
b)
Find the value of q when p = 4.8.
4) The variable g varies inversely with f. The value of g is 3 when f = 6.
a)
Write an equation that relates f and g.
b)
Find the value of g when f = 6 .
7
5) The variable t varies directly with s. The value of t is 15 when s = 3.
a)
Write an equation that relates s and t.
b)
Find the value of s when t = 25.
Printable Math Worksheets @ www.mathworksheets4kids.com
Name :
Answer key
L1S1
Missing Values
1) The variable y varies directly with x. The value of y is 24 when x = 8.
a)
Write an equation that relates x and y.
y = 3x
b)
Find the value of y when x = 5.
y = 15
2) The variable m varies inversely with n. The value of m is 2 when n = 1 .
4
a)
b)
Write an equation that relates m and n.
Find the value of n when m = 2.
m=
1
2n
n=
1
4
3) The variable p varies directly with q. The value of p is –2.4 when q = –3.2.
a)
Write an equation that relates p and q.
b)
Find the value of q when p = 4.8.
p = 0.75 q
q = 6.4
4) The variable g varies inversely with f. The value of g is 3 when f = 6.
a)
Write an equation that relates f and g.
b)
Find the value of g when f = 6 .
7
g=
18
f
g = 21
5) The variable t varies directly with s. The value of t is 15 when s = 3.
a)
Write an equation that relates s and t.
t = 5s
b)
Find the value of s when t = 25.
s=5
Printable Math Worksheets @ www.mathworksheets4kids.com
Name :
L1S2
Missing Values
1) The variable r varies inversely with s. The value of r is – 6 when s = – 7 .
7
a)
Write an equation that relates s and r.
b)
Find the value of s when r = 6.
2) The variable g varies directly with h. The value of g is 10 when h = 2.
a)
Write an equation that relates h and g.
b)
Find the value of g when h = 6.
3) The variable x varies inversely with y. The value of x is 2 when y = 8.
a)
Write an equation that relates x and y.
b)
Find the value of y when x = 4.
4) The variable z varies directly with u. The value of z is 21 when u = 7.
a)
Write an equation that relates z and u.
b)
Find the value of z when u = 4.
5) The variable t varies inversely with c. The value of t is 5 when c = 6.
a)
Write an equation that relates c and t.
b)
Find the value of c when t = 10.
Printable Math Worksheets @ www.mathworksheets4kids.com
8
Name :
Answer key
L1S2
Missing Values
1) The variable r varies inversely with s. The value of r is – 6 when s = – 7 .
7
a)
b)
Write an equation that relates s and r.
Find the value of s when r = 6.
8
r=
3
4s
s=
1
8
2) The variable g varies directly with h. The value of g is 10 when h = 2.
a)
Write an equation that relates h and g.
g = 5h
b)
Find the value of g when h = 6.
g = 30
3) The variable x varies inversely with y. The value of x is 2 when y = 8.
a)
Write an equation that relates x and y.
b)
Find the value of y when x = 4.
x=
16
y
y=4
4) The variable z varies directly with u. The value of z is 21 when u = 7.
a)
Write an equation that relates z and u.
z = 3u
b)
Find the value of z when u = 4.
z = 12
5) The variable t varies inversely with c. The value of t is 5 when c = 6.
a)
Write an equation that relates c and t.
b)
Find the value of c when t = 10.
Printable Math Worksheets @ www.mathworksheets4kids.com
t=
30
c
c=3
Name :
Missing Values
1) The variable z varies directly with y. The value of z is 8 when y = 4.
a)
Write an equation that relates z and y.
b)
Find the value of y when z = 12.
2) The variable v varies directly with w. The value of v is –6 when w = –9.
a)
Write an equation that relates v and w.
b)
Find the value of w when v = 10.
3) The variable t varies inversely with u. The value of t is 5 when u = 4.
a)
Write an equation that relates t and u.
b)
Find the value of t when u = 5 .
7
4) The variable m varies inversely with n. The value of m is 8 when n = 4.
a)
Write an equation that relates n and m.
b)
Find the value of m when n = 2.
5) The variable c varies directly with d. The value of c is 28.8 when d = 3.2.
a)
Write an equation that relates d and c.
b)
Find the value of d when c = 1.8.
Printable Math Worksheets @ www.mathworksheets4kids.com
Name :
Answer key
Missing Values
1) The variable z varies directly with y. The value of z is 8 when y = 4.
a)
Write an equation that relates z and y.
z = 2y
b)
Find the value of y when z = 12.
y=6
2) The variable v varies directly with w. The value of v is –6 when w = –9.
a)
Write an equation that relates v and w.
b)
Find the value of w when v = 10.
v=
2
w
3
w = 15
3) The variable t varies inversely with u. The value of t is 5 when u = 4.
20
u
a)
Write an equation that relates t and u.
t=
b)
Find the value of t when u = 5 .
7
t = 28
4) The variable m varies inversely with n. The value of m is 8 when n = 4.
32
n
a)
Write an equation that relates n and m.
m=
b)
Find the value of m when n = 2.
m = 16
5) The variable c varies directly with d. The value of c is 28.8 when d = 3.2.
a)
Write an equation that relates d and c.
c = 9d
b)
Find the value of d when c = 1.8.
d = 0.2
Printable Math Worksheets @ www.mathworksheets4kids.com
Name :
Missing Values
1) The variable c varies inversely with t. The value of c is –6 when t = –7.
a)
Write an equation that relates c and t.
b)
Find the value of c when t = 2.
2) The variable y varies inversely with q. The value of y is 2.3 when q = 7.2.
a)
Write an equation that relates q and y.
b)
Find the value of y when q = 4.14.
3) The variable r varies directly with z. The value of r is 22 when z = 2.
a)
Write an equation that relates r and z.
b)
Find the value of z when r = 99.
4) The variable u varies directly with v. The value of u is 12 when v = 3.
a)
Write an equation that relates v and u.
b)
Find the value of v when u = 20.
3
5) The variable n varies inversely with d. The value of n is 4 when d = .
9
a)
Write an equation that relates d and n.
b)
Find the value of n when d = 1 .
18
Printable Math Worksheets @ www.mathworksheets4kids.com
8
Name :
Answer key
Missing Values
1) The variable c varies inversely with t. The value of c is –6 when t = –7.
a)
Write an equation that relates c and t.
b)
Find the value of c when t = 2.
c=
42
t
c = 21
2) The variable y varies inversely with q. The value of y is 2.3 when q = 7.2.
a)
Write an equation that relates q and y.
b)
Find the value of y when q = 4.14.
y=
16.56
q
y=4
3) The variable r varies directly with z. The value of r is 22 when z = 2.
a)
Write an equation that relates r and z.
b)
Find the value of z when r = 99.
r = 11z
z=9
4) The variable u varies directly with v. The value of u is 12 when v = 3.
a)
Write an equation that relates v and u.
u = 4v
b)
Find the value of v when u = 20.
v=5
3
5) The variable n varies inversely with d. The value of n is 4 when d = .
9
a)
Write an equation that relates d and n.
b)
Find the value of n when d = 1 .
18
Printable Math Worksheets @ www.mathworksheets4kids.com
8
n=
1
6d
n=3
Name :
L1S5
Missing Values
1) The variable n varies inversely with m. The value of n is 1.5 when m = 5.
a)
Write an equation that relates m and n.
b)
Find the value of n when m = 3.75.
2) The variable s varies directly with w. The value of s is 24 when w = 4.
a)
Write an equation that relates w and s.
b)
Find the value of w when s = 18.
3) The variable x varies directly with y. The value of x is 1 when y = 1 .
2
a)
Write an equation that relates x and y.
b)
Find the value of x when y = 5.
16
4) The variable t varies inversely with u. The value of t is 5 when u = 6.
a)
Write an equation that relates t and u.
b)
Find the value of u when t = 3.
5) The variable p varies inversely with z. The value of p is 9 when z = 7.
a)
Write an equation that relates z and p.
b)
Find the value of p when z = 21.
Printable Math Worksheets @ www.mathworksheets4kids.com
Name :
Answer key
L1S5
Missing Values
1) The variable n varies inversely with m. The value of n is 1.5 when m = 5.
a)
Write an equation that relates m and n.
b)
Find the value of n when m = 3.75.
n=
7.5
m
n=2
2) The variable s varies directly with w. The value of s is 24 when w = 4.
a)
Write an equation that relates w and s.
s = 6w
b)
Find the value of w when s = 18.
w=3
3) The variable x varies directly with y. The value of x is 1 when y = 1 .
2
16
a)
Write an equation that relates x and y.
x = 8y
b)
Find the value of x when y = 5.
x = 40
4) The variable t varies inversely with u. The value of t is 5 when u = 6.
30
u
a)
Write an equation that relates t and u.
t=
b)
Find the value of u when t = 3.
u = 10
5) The variable p varies inversely with z. The value of p is 9 when z = 7.
a)
Write an equation that relates z and p.
b)
Find the value of p when z = 21.
Printable Math Worksheets @ www.mathworksheets4kids.com
p=
63
z
p=3
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