5.4 ( + rounding recap )

recap rounding
review a few wrong answers

exercise 20
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Slide 1: Slide
WiskundeMiddelbare schoolvwoLeerjaar 1

This lesson contains 17 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 60 min

Items in this lesson

recap rounding
review a few wrong answers

exercise 20

Slide 1 - Slide

log in
go to lessonup app

use the code in the bottom left

Slide 2 - Slide

round the number 8.9595 to the nearest hundredth
A
8.950
B
8.95
C
8.96
D
8.9600

Slide 3 - Quiz

round 8.9595 to the nearest tenth
A
8.900
B
8.9
C
9
D
9.0

Slide 4 - Quiz

the sign says Domburg 7.
Why is this a rounded number

Slide 5 - Open question

in 2016 the number of residents in a city grew from 
84,700 to 86,400. (rounded to the nearest hundred)
1 jan 2016 -------------------------------------------31 dec 2016

84, 700                                                                                      86, 400                                                                               

Slide 6 - Slide

percentages

Slide 7 - Slide

how many students is 10% of this class
( rounded up to nearest ones)

Slide 8 - Open question

calculator
my grandfather told me he would give me 15% of what i earned during the summer as a bonus.

I made 1546 euro that summer

how much did my grandfather gave me?

Slide 9 - Slide

calculator
make the percentage into a decimal number by dividing by 100

so



0,15 x 1546 = 231.9 --> so i got 231.90 euro

10015=0,15

Slide 10 - Slide

now a few for yourself....
calculator ready

......

Slide 11 - Slide

calculate 36 % of 190 NO ROUNDING

Slide 12 - Open question

2.7 % in the calculator will be written as.....

Slide 13 - Open question

3.9% in the calculator will be written as.......( use your calculator and divide by 100)

Slide 14 - Open question

make exercise 
47, 50, 51, 52  of chapter 5.4 on page 196 - 197
timer
7:00

Slide 15 - Slide

what percentage of the students in this class are male
students total : 27
male :  11

other : 16.                                                  %
totalpart100

Slide 16 - Slide

make exercise
55, 56, 58(!), 59, 61 on page 198-200


Slide 17 - Slide