The coordinate grid, bar charts and line (strip) charts
Answers are for parents and teachers.
1
How many units apart are K(2; 3) and L(9; 3)?
7
2
A(1; 2), B(7; 2), C(7; 5), D(1; 5) form a rectangle. What is its area in square units?
18
3
The bars of a chart show 6, 9, 4, 7, 9. What is the sum of the values?
35
4
Find the mean of these values.
7
5
A wall is 6 m long and 3 m high. If one roll covers 6 m², how many rolls are needed?
3