Ratios: keep a mixture the same while changing its size
Build a larger mixture by repeating a complete group, then explain the difference between a ratio and a fraction of the whole.
OTWONO LABS / EXPLORE
Build a larger mixture by repeating a complete group, then explain the difference between a ratio and a fraction of the whole.
Distinguish an estimate from a lower or upper bound and use a bound to test a guarantee.
Use a visual grid to connect a part, a whole and a percentage.
Check units, denominators and starting values before comparing figures.
Inspect axes, scales and missing context before interpreting a chart.