Handling Data
Uses symbols or images that are relevant to the data (or set of numbers).
Pictogram (or pictograph)
Nancy bought biscuits for $51.25
She gave a $100 note to the shopkeeper.
How much dis she get back from the shopkeeper?
$48.75
How many lines of symmetry does a circle have?
A circle has unlimited lines of symmetry.
Add: -3 + (-3) + 9
3
It is a chart or graph that represents the categorical data using rectangular bars and shows the comparison between sets or categories.
Bar Chart (Graph)
Kate traveled 320.25km and Maya traveled 236.38km
Who traveled more and by what distance?
Kate (by 83.87km)
Angles that measure less than 90 degrees.
Acute Angles
Add: -5 + 5
zero (0)
A simple way of recording and counting frequencies. Each occurrence is shown by a mark and every fifth mark is drawn diagonally to make a “gate” of five.
Tally Chart
The sum of three decimals is 496.28
Two decimals are 238.94 and 110.09
Find the third decimal.
147.25
How many lines of symmetry does scalene triangle have?
zero (0)
What are all the factors of 36?
1, 36
2, 18
3, 12
4, 9
6
Uses circles to show the relationships among things (including numbers) or groups of things (or numbers).
Venn Diagram
Maria had $ 469.38
She gave $ 99.37 to Mike and $124.93 to Kerry.
How much money is left with her?
$245.08
Which triangle has 1 line of symmetry?
Isosceles Triangle
A tire factory produces 6348 tires a day. How many tires will the factory produce in one month?
6348 x 30 = 190440 tires
Uses rectangular tables that display data (numbers or informations) in a yes/no way.
Carroll Diagram
The difference of two decimals are 68.09
The smaller one is 353.48. Find the other one.
421.57
Which triangle has 2 lines of symmetry?
No triangle has 2 lines of symmetry.
Equilateral triangle has three lines of symmetry while an isosceles has one.
What is the least common multiple of 12 and 30?
60