21 P6.ST.JC.18121320
Level 2
1 u + 2 = 4 p
10 - 3 u = 4 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Substitution Units equations
22 P6.PC.NK.21060210
Level 3 PSLE
Gerry was given a fixed amount of allowance each month. In January, he spent $80 and saved the rest. In February, he spent 10% less and his savings increased by 25%. How much was Gerry's allowance for each month?
2 m
Percent change by Proportional exchange Money Units table Units & parts Substitution
23 P6.ST.JC.18121321
Level 2
11 - 1 u = 3 p
21 - 3 u = 3 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Substitution Units equations
24 P6.ST.JC.18121322
Level 2
15 - 1 u = 3 p
3 u - 9 = 3 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Substitution Units equations
25 P6.ST.JC.18121323
Level 2
18 - 1 u = 4 p
4 u + 8 = 4 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Substitution Units equations
26 P6.ST.JC.18121324
Level 2
2 u + 15 = 1 p
4 u + 7 = 1 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Units equations
27 P6.ST.JC.18121325
Level 2
2 u + 15 = 3 p
4 u - 7 = 3 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Units equations
28 P6.ST.JC.18121326
Level 2
2 u - 7 = 1 p
4 u - 15 = 1 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Units equations
29 P6.ST.JC.18121327
Level 2
14 - 2 u = 3 p
22 - 4 u = 3 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Units equations
30 P6.ST.JC.18121328
Level 2
13 - 2 u = 3 p
17 - 4 u = 3 p

Find the following values.
  1. 1 u
  2. 1 p
2 m
W 4 operations Units & parts Units equations

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