Decimal Fractions
Place the numbers on the number line!
0.02
0.1
0.42
0.51
0.9
0.87
0.63
Decimal Place Value
Tens | Ones | . | Tenths | Hundredths | Thousandths |
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“Five point Seven Six”
“Twenty Three point Zero Eight”
“Nine point Five Nine Three”
“Fourteen point Five Zero Two”
“Eleven point Eight One”
“Zero point Zero Zero One”
“Four point Eight Eight Two”
Match the word form the place value table.
Walt: understand Decimal Place Value
Equivalent Decimal-Fractions
4/10 = 40/100 = 400/1000
6/10 =
7/10 =
10/10 =
3/10=
42/100 = ?/1000
53/100 = ?/1000
WALT: Add and subtract decimal fractions
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A decimal fraction is a fraction where the denominator is a power of 10 (10, 100, 1000…)
1/10 + 4/10 =
6/10 - 4/10 =
56/100 - 20/100 (2/10) =
23/100 + 40/100 =
1/10 + 25/100 =
1/10 + 45/100 =
1/10 + 30/100 =
0.1 + 0.4 =
0.6 - 0.4 =
0.56 - 0.2 =
0.23 + 0.40 =
0.1 + 0.25 =
0.1 + 0.45 =
0.1 + 0.3 =
4/10 can also be written as 0.4