Data Handling

Tally Marks

Five-bundles make even huge counts fast to read.

The Tally Table

Bring tally marks together into one tidy table.

The Pictograph

1 🍎 might equal 5 fruits, read the key first.

The Bar Graph

Tallest = most. Shortest = least. Easy.

The Line Plot

The tallest pile wins. Spot patterns in seconds.

Mode & Range

Mode = most common. Range = biggest minus smallest.

Reading the Story

Spot the punchline, biggest, smallest, the difference.

Frequency Tables

Frequency = how often. Sum all = total items.

Mean (Average)

Back-solve: sum = mean × count.