Pictograms and block graphs · Usually met around P2
Block graphs
One square is 1; count the extra squares.
How to do it
Method
One square is 1; count the extra squares
⚽ 6, 🎈 4: 6 − 4 = 2
Another way
Count the extra squares
⚽ stands 2 squares taller
In full
A block graph draws each item's number as a stack of squares, one square for 1, all stacked up from the same baseline. Count a stack's squares to know its number; the tallest stack is the most and the shortest the fewest. To compare two items, count the squares one stack has above the other, or take one number from the other. To make one, draw equal squares, as many as the number. Or count square by square to check.
Worked examples
Have a go first, then open each one for the answer and the working.
Example 1
Each square in the block graph is 1 toy. How many 🐻 are there?
Show the answer and working
Answer: 2 toys
Count the squares in the 🐻 stack: 2.
Example 2
Each square is 1 toy. How many more ⚽ are there than 🚌?
Show the answer and working
Answer: 9 toys
⚽ stands 9 squares taller than 🚌: 10 − 1 = 9.
Example 3
Which toy is there least of in the block graph?
- A. 🚗
- B. 🚌
- C. ⚽
- D. 🎈
Choose the right answer
Show the answer and working
Answer: B. 🚌
The shortest stack is the fewest: 🚌, 1 squares.