WK3 Rounding Numbers to whole number, 10, 100, 1000, Decimals and significant Figures
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Slide 18 - Tekstslide
Using a number line
Round 74 to the nearest ten.
Put the circle around that number.
71
72
73
74
75
76
77
78
79
70
80
71
72
73
74
75
76
77
78
79
70
Slide 19 - Sleepvraag
Using a number line
Round 73 to the nearest ten.
Put the circle around that number.
51
52
53
54
55
56
57
58
59
70
80
51
52
53
54
55
56
57
58
59
50
Slide 20 - Sleepvraag
Using a number line
Round 71 to the nearest ten.
Put the circle around that number.
51
52
53
54
55
56
57
58
59
70
80
51
52
53
54
55
56
57
58
59
50
Slide 21 - Sleepvraag
Match the maximum and minimum values to the correct rounding condition.
A number rounded to the nearest 10 = 20
A number rounded to the nearest 10 = 70
A number rounded to the nearest 10 = 10
A number rounded to the nearest 10 = 90
15 and 24
0 and 10
90 and 94
65 and 74
85 and 94
5 and 14
Slide 22 - Sleepvraag
Match the maximum and minimum values to the correct rounding condition.
A number rounded to the nearest 10 = 30
A number rounded to the nearest 10 = 40
A number rounded to the nearest 10 = 50
A number rounded to the nearest 10 = 60
20 and 30
25 and 34
35 and 44
44 and 54
45 and 54
55 and 64
Slide 23 - Sleepvraag
Use the integer value 9235678 to match the various rounding conditions.
Round to the nearest 10000
Round to the nearest 1000
Round to the nearest 1000000
Round to the nearest 100000
9000000
9200000
9250000
9236000
Slide 24 - Sleepvraag
Use the integer value 15678 to match the various rounding conditions.
Round to the nearest 10000
Round to the nearest 100
Round to the nearest 1000
Round to the nearest 10
20000
16000
15700
15680
Slide 25 - Sleepvraag
Use the integer value 923506 to match the various rounding conditions.
Round on the TH column
Round on the T column
Round on the T TH column
Round on the H column
924000
920000
Round 5sf
923500
Slide 26 - Sleepvraag
Use the integer value 1923506 to match the various rounding conditions.
Round on the TH column
Round on the HTH column
Round on the THT column
Round on the H column
Round 3s
Round 2sf
Round 5sf
Round 4sf
Slide 27 - Sleepvraag
Round 2315678 to 2 Significant Figures
Select the column to round on.
5
6
7
8
1
3
2
Slide 28 - Sleepvraag
Round 2315678 to 3 Significant Figures
Select the column to round on.
5
6
7
8
1
3
2
Slide 29 - Sleepvraag
Round 2315678 to 4 Significant Figures
Select the column to round on.
5
6
7
8
1
3
2
Slide 30 - Sleepvraag
Round 2315678 to 5 Significant Figures
Select the column to round on.
5
6
7
8
1
3
2
Slide 31 - Sleepvraag
Round 5678 to 2 Significant Figures
STEP 3 - Identify the minimum possible answer.
5
6
7
8
Slide 32 - Sleepvraag
Round 5678 to 3 Significant Figures
5
6
7
8
