126 P3.PA.JM.17110112
Level 3
Find the sum of all the even numbers between 99 and 111.
4 m
Sum of even consecutive W 4 operations
127 P6.ST.JC.18121334
Level 3
2 + 3 u = 1 p
28 - 2 u = 3 p

Find the following values.
  1. 1 u
  2. 1 p
3 m
W 4 operations Units & parts Substitution
128 P4.PA.JM.17092432
Level 3
In a room with a certain number of people, each person shook hands with the rest of the people only once. The total number of handshakes is 78. How many people are there in the room?
3 m
Sum of consecutive W 4 operations
129 P6.ST.JC.18121335
Level 3
11 - 3 u = 1 p
36 - 8 u = 4 p

Find the following values.
  1. 1 u
  2. 1 p
3 m
W 4 operations Units & parts Substitution
130 P4.PA.JM.17092422
Level 3
The pattern shows how some candles are arranged. How many candles are there in Figure 10?
3 m
Sum of consecutive W 4 operations

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