Data and charts
A graph that shows comparison between gathered data, using bars of different colors.
Bar graph
Find the median of the data: 6, 3, 8, 1, 2, 9, 5, 7, 3, 5, 8
5
Identify the base:
50% of 200 is 100.
200
What is 10% of 100?
10
What is 2:5 in decimal?
0.4
Two ways to do a survey.
Questionnaire and interview
Find the range of the data: 46, 62, 67, 94, 34, 56, 34, 86, 46, 57, 17, 87
77
Identify the rate:
60 is one- fourth of 240.
one- fourth
What is 25% of 500?
125
What is 2:5 in percent?
40%
Give the 2 ways to organize a data.
Line plot/ dot plot and Tally chart
Find the Mode of the data: 25, 20, 28, 29, 24, 22, 20, 27, 28, 21, 20, 26, 28
20 and 28
What is missing in this Math sentence?
40 is 50% of what number?
Base
Tayloy put 40% of his allowance last week in his piggy bank. If he had Php 125 for the entire week, how much did he save?
Php 50
In statistics, what do you call the value that occurs the most in a data?
Mode
When organizing the data 1,0,2,0,3,2,3,1,3,0,3,2,0,4, how many marks should you put on top of 0?
4 marks
What do you do if you have two medians?
Add the two medians and divide it by 2.
Jesse ate 4 out of the 5 parts of her chocolate bar. This means she ate 80% of the chocolate bar. Identify the percentage, rate, and the base.
Percentage: 4
Rate: 80%
Base: 5
Everyday for the past 2 weeks, Justine received Php 15 from her lola. After 14 days, he gave 25% of his total money to her younger sibling. How much did her younger sibling receive?
Php 52.50
Differentiate percentage, rate, and base
Percentage: part of a whole
Rate: Usually with a percent sign or fraction
Base: the 'whole'
The Maganda class took a 20-item math quiz. The data shows the scores of the students: 10, 18, 15, 9, 13, 17, 15, 17, 16, 19, 12, 15, 11, 10, 17, 18. Create a tally chart of the data.
(answer will be shown on a different tab)
Is it possible to have 3 medians?
No
During a sale with all items marked with 20% off, Sandy bought a shirt at Php 439.20. The original price of the shirt was Php 549.
Percentage: 439.20
Rate: 20%
Base: 549
Explain the 2 ways on how to get the percent of a number.
1. Multiply base and rate, then divide it by 100.
2. Convert the rate into a decimal by moving the decimal point twice to the left, and then you multiply it with the base.
In identifying percentage, rate, and base, if a math sentence ends with 'what number', what is missing?
Example: 15 is 50% of WHAT NUMBER?
Base