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
