# Unit 3

Unit 3 Revision
3.1 Multiplying and Dividing by powers of 10.
3.2 Rounding
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Slide 1: Tekstslide
MathematicsSecondary EducationAge 11-13

In deze les zitten 24 slides, met interactieve quizzen en tekstslide.

## Onderdelen in deze les

Unit 3 Revision
3.1 Multiplying and Dividing by powers of 10.
3.2 Rounding

#### Slide 1 -Tekstslide

Write in numbers.
104
A
1 000
B
10 000
C
100
D
100 000

Write in words.
104
A
Ten Thousand
B
One Thousand
C
One Million
D
ten and 4

#### Slide 3 -Quizvraag

Write 1000 as a power of 10.
A
102
B
103
C
104
D
105

#### Slide 4 -Quizvraag

Write 1 000 000 as a power of 10.
A
104
B
105
C
106
D
107

Work out:
4 x
104
A
400
B
4000
C
4 000
D
40 000

Work out:
8.9 x
104
A
89
B
890
C
8 900
D
89 000

Work out:
1.2 x
106
A
12 000
B
120 000
C
1 200 000
D
12 000 000

Work out:
4.66 x
103
A
466
B
4 660
C
46 600
D
466 000

Work out:
7 000 ➗
103
A
7
B
70
C
700
D
0.7

Work out:
140 ➗
103
A
0.014
B
0.14
C
1.4
D
14

Work out:
3 400 000 ➗
104
A
34
B
3.4
C
340
D
3 400

Work out:
31 200 ➗
105
A
312
B
31.2
C
3.12
D
0.312

#### Slide 13 -Quizvraag

Round 23.07643 to 2 d.p.
A
23.08
B
23.076
C
23.07
D
23.080

#### Slide 14 -Quizvraag

Round 23.07643 to 3 d.p.
A
23.080
B
23.076
C
23.070
D
23.086

#### Slide 15 -Quizvraag

Round 23.07643 to 1 d.p.
A
23.0
B
23.1
C
23.2
D
23.07

#### Slide 16 -Quizvraag

Round 23.076496 to 5 d.p.
A
23.07649
B
23.07659
C
23.07650
D
23.07646

#### Slide 17 -Quizvraag

Round 23.076496 to 4 decimal places.
A
23.0764
B
23.0765
C
23.0766
D
23.0760

#### Slide 18 -Quizvraag

Round 31.00456987 to 4 decimal places.
A
31.0046
B
31.0045
C
31.0047
D
31.00460

#### Slide 19 -Quizvraag

Round 31.00456987 to 1 decimal place.
A
31.1
B
31.0
C
31.10
D
31.00

#### Slide 20 -Quizvraag

Round 31.00456987 to 2 decimal places.
A
31.01
B
31.02
C
31.03
D
31.00

#### Slide 21 -Quizvraag

Round 31.00456987 to 3 decimal places.
A
31.005
B
31.004
C
31.001
D
31.002

#### Slide 22 -Quizvraag

Round 31.00456987 to 4 decimal places.
A
31.0045
B
31.0046
C
31.0040
D
31.0050

#### Slide 23 -Quizvraag

Round 31.00456987 to 5 decimal places.
A
31.0045
B
31.0046
C
31.0040
D
31.0050