Line up three of one divisibility rule
Exercise and reference answers
- Grid
- Group
- Divisible by 5
- Item
- 25
- Group
- Divisible by 5
- Item
- 55
- Group
- Divisible by 2
- Item
- 16
- Group
- Divisible by 3
- Item
- 9
- Group
- Divisible by 3
- Item
- 33
- Group
- Divisible by 5
- Item
- 35
- Group
- Divisible by 2
- Item
- 14
- Group
- Divisible by 3
- Item
- 21
- Group
- Divisible by 2
- Item
- 22
- Groups
- Item
- Divisible by 2
- Item
- Divisible by 3
- Item
- Divisible by 5
- Instructions
- Tap a number, then a neighbour, to swap them. Line up three numbers that share a divisibility rule.
Explanation
_Source: OpenStax Elementary Algebra, section 1.1 Introduction to Whole Numbers_