year 1 credit mathematics
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Year 1 Credit Mathematics. Chapter 1. Calculations and the Calculator. Standard Form Scientific Notation - Calculator. Lesson Objective. To be able to use the calculator to calculate values using scientific notation. Sunday, 26 October 2014. Standard Form Recap. –. - PowerPoint PPT PresentationTRANSCRIPT
Year 1 Credit Mathematics
Thursday, April 20, 2023
Lesson Objective
Chapter 1
Calculations and the Calculator
Standard Form Scientific Notation - Calculator
To be able to use the calculator to To be able to use the calculator to calculate values using scientific calculate values using scientific notation.notation.
Standard Form Recap
–
P la n e ta ry D a ta
S u n
Ma s s 2 000 000 000 000 000 000 000 000 000 000 kg
Planetary DataJupiter
mass 2 000 000 000 000 000 000 000 000 000 kg
Pl a n et a r y DataE art h
mass 6 000 000 000 000 000 000 000 000 kg
Moon
mass 70 000 000 000 000 000 000 000 kg
Planetary Data
2 000 000 000 000 000 000 000 000 000 000
2 000 000 000 000 000 000 000 000 000
6 000 000 000 000 000 000 000 000
70 000 000 000 000 000 000 000
Can you write these numbers in standard form?
2 000 000 000 000 000 000 000 000 000
How did you do?
2 000 000 000 000 000 000 000 000 000 × 10 27
6 000 000 000 000 000 000 000 000× 10 24
70 000 000 000 000 000 000 000× 10 22
× 10 30
Planetary DataSun
diameter 1 390 000 km
Planetary DataJupiter
diameter 143 000 km
Planetary DataEarth
diameter 13 000 km
Moon
mass 3476 km
Planetary Data
1 390 000
143 000
13 000
3476
Can you write these numbers in standard form?
You are here
World Population: 6 450 000 000 = 6.45 billion = 6.45 × 10 9
Year 1 Credit Mathematics
Thursday, April 20, 2023
C Write in Scientific Notation
Starter
(a) 3 x 9
Calculations and the Calculator
(a) 2300
A Calculate the following B Find the length of x
(b) 0.00534
5 10
(b) 5 ÷ 5
Chapter 1
Standard Form Scientific Notation - Calculator
6 310cm
20cm
x cm102 = x2 + 82
100 = x2 + 64
100 - 64 = x2
pythagoras
36 = x2
6 = x2
(c) 569200
(d) 0.05060
2750
1
5 x 3 6 5
2
2. 3 x 103 5.34 x 10-3 5. 692 x 105 5.06 x 10-2
Year 1 Credit Mathematics
Thursday, April 20, 2023
Chapter 1
Calculations and the Calculator
Standard Form Scientific Notation - Calculator
We can use scientific notation on the calculator. Depending on your calculator you will use one of the following buttons.
xy 10x EXP EE
(you may have to use the shift button)
Enter the 5.4x103 into your calculator
Calculator Key Presses
5 4 0 xy 3
Year 1 Credit Mathematics
Thursday, April 20, 2023
Chapter 1
Calculations and the Calculator
Standard Form Scientific Notation - Calculator
xy 10x EXP EE(you may have to use the shift button)
Example: 6.25x10-7
Calculator Keys
6 2 xy0 -
Example: 8.31x1011
Calculator Keys
75
8 3 xy0 1 11
Not the subtraction
button
Year 1 Credit Mathematics
Thursday, April 20, 2023
Chapter 1
Calculations and the Calculator
Standard Form Scientific Notation - Calculator
Calculate: 4 x 106 ÷ 8 x 106
It is good practice to put each value in brackets
( 4 0 xy 6 )
( 8 0 xy 6 )
Year 1 Credit Mathematics
Thursday, April 20, 2023
NO CALCULATOR
Now try
p3 Ex 1.1 Q 1 to 7
Show your working
Complete for Next Lesson
Extension
Investigation Questions
Page 2 Q1 and Q2
Complete for Next Lesson
HomeworkComplete Homework Sheet 1 on or before MondayComplete Homework Sheet 1 on or before Monday
Chapter 1
Calculations and the Calculator
Revision Non calculator methods