Level 2
Find the following values without a calculator.

For 6 and 12,
  1. what is the first common multiple?
  2. what is the second common multiple?
  3. what is the fourth common multiple?
2 m
Level 3
Adam's age is a multiple of 3 this year.
His age 2 years later will be multiple of 7.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What was Adam's age 3 years later?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age 2 years ago is a multiple of 5.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What is Adam's age 3 years later?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age next year will be multiple of 7.
Adam's age is between 20 and 40.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What is Adam's age 3 years later?
4 m
Level 3
Adam's age is a multiple of 3 this year.
His age 2 years ago is a multiple of 5.
Adam's age is between 20 and 30.
  1. What is Adam's age this year?
  2. What was Adam's age 1 year ago?
  3. What is Adam's age 3 years later?
4 m