Fractions decimals & percentages YR 4/5 Mrs Swift.
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Fractions decimals & percentages YR 4/5 Mrs Swift
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Transcript of Fractions decimals & percentages YR 4/5 Mrs Swift.
Fractions decimals & percentages
YR 4/5 Mrs Swift
Learning objective;
To recognise the equivalence between decimals and fractions
To Begin to understand percentage as the number of parts in every hundred.
1/102/10
3/104/10
5/106/10
7/108/10
9/101
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
What fraction of the strip is shaded?
The decimal fraction of this strip that is shaded is ?
What fraction of the strip is shaded?
The decimal fraction of this strip that is shaded is ?
What fraction of the strip is shaded?
The decimal fraction of this strip that is shaded is ?
What fraction of the strip is shaded?
The decimal fraction of this strip that is shaded is ?
1000 2000 3000 4000 5000 6000 7000 8000 9000
100 200 300 400 500 600 700 800 900
10 20 30 40 50 60 70 80 90
1 2 3 4 5 6 7 8 9
1/102/10
3/104/10
5/106/10
7/108/10
9/10
1/1002/100
3/1004/100
5/1006/100
7/1008/100
9/100
1/10002/1000
3/10004/1000
5/10006/1000
7/10008/1000
9/1000
How could we represent 16.3 using the grid?
1000 2000 3000 4000 5000 6000 7000 8000 9000
100 200 300 400 500 600 700 800 900
10 20 30 40 50 60 70 80 90
1 2 3 4 5 6 7 8 9
1/102/10
3/104/10
5/106/10
7/108/10
9/10
1/1002/100
3/1004/100
5/1006/100
7/1008/100
9/100
1/10002/1000
3/10004/1000
5/10006/1000
7/10008/1000
9/1000
1000 2000 3000 4000 5000 6000 7000 8000 9000
100 200 300 400 500 600 700 800 900
10 20 30 40 50 60 70 80 90
1 2 3 4 5 6 7 8 9
1/102/10
3/104/10
5/106/10
7/108/10
9/10
1/1002/100
3/1004/100
5/1006/100
7/1008/100
9/100
1/10002/1000
3/10004/1000
5/10006/1000
7/10008/1000
9/1000
How could we represent 19.5 using the grid?
1000 2000 3000 4000 5000 6000 7000 8000 9000
100 200 300 400 500 600 700 800 900
10 20 30 40 50 60 70 80 90
1 2 3 4 5 6 7 8 9
1/102/10
3/104/10
5/106/10
7/108/10
9/10
1/1002/100
3/1004/100
5/1006/100
7/1008/100
9/100
1/10002/1000
3/10004/1000
5/10006/1000
7/10008/1000
9/1000
1000 2000 3000 4000 5000 6000 7000 8000 9000
100 200 300 400 500 600 700 800 900
10 20 30 40 50 60 70 80 90
1 2 3 4 5 6 7 8 9
1/102/10
3/104/10
5/106/10
7/108/10
9/10
1/1002/100
3/1004/100
5/1006/100
7/1008/100
9/100
1/10002/1000
3/10004/1000
5/10006/1000
7/10008/1000
9/1000
How could we represent 4.72 using the grid?
1000 2000 3000 4000 5000 6000 7000 8000 9000
100 200 300 400 500 600 700 800 900
10 20 30 40 50 60 70 80 90
1 2 3 4 5 6 7 8 9
1/102/10
3/104/10
5/106/10
7/108/10
9/10
1/1002/100
3/1004/100
5/1006/100
7/1008/100
9/100
1/10002/1000
3/10004/1000
5/10006/1000
7/10008/1000
9/1000
1000 2000 3000 4000 5000 6000 7000 8000 9000
100 200 300 400 500 600 700 800 900
10 20 30 40 50 60 70 80 90
1 2 3 4 5 6 7 8 9
1/102/10
3/104/10
5/106/10
7/108/10
9/10
1/1002/100
3/1004/100
5/1006/100
7/1008/100
9/100
1/10002/1000
3/10004/1000
5/10006/1000
7/10008/1000
9/1000
Your task
Task 1
Take turns to: 1. Write a number with 1 or 2 decimal places.
2. Partner cover number on place value chart. 3. Both children say decimal out loud. Repeat several times.
Task 2Take turns to: 1. Cover a number using 3 or 4 counters. 2. Partner records number in decimal form. 3. Both children say decimal out loud. Repeat several
times
