71 P3.MS.JC.18082041
Level 2
Find the following values without a calculator.
  1. 1 - 23 = _____
  2. 1 - 15 - 25 = _____
  3. 1 - 13 - 16 = _____
3 m
F Addition & subtraction
72 P6.ST.JC.18121419
Level 3
Fill in the blanks.
At a gathering, 35 of the boys and 14 of the girls and 17 of the adults leave after 1 hour.
The number of boys, girls and adults who remain is the same.

  1. Number of boys at first = _____ u
  2. Number of girls at first = _____ u
  3. Number of adults at first = _____ u
  4. Number of people who remained = _____ u
4 m
Fraction of a set F Addition & subtraction Common numerator Fraction to units
73 P2.MS.JC.18072066
Level 2
Find the following values without a calculator.
Do not simplify the answer.
  1. 14 + 24 = _____
  2. 15 + 25 = _____
  3. _____ + 34 = 1
3 m
F Addition & subtraction Common denominator
74 P2.MS.JC.18072067
Level 2
Find the following values without a calculator.
  1. 1 - 14 = _____
  2. 55 - 25 = _____
  3. 47 - 17 = _____
3 m
F Addition & subtraction
75 P2.MS.JC.18072068
Level 3
Find the following values without a calculator.
Do not simplify the answer.
  1. 12 + 12 = _____
  2. 15 + 25 = _____
  3. _____ + 34 = 1
  4. 410 + _____ = 1
4 m
F Addition & subtraction Common denominator

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