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The Decimal Fraction Point

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Achievement Objectives
NA3-4: Know how many tenths, tens, hundreds, and thousands are in whole numbers.
AO elaboration and other teaching resources
Specific Learning Outcomes

Read decimals with tenths, count forwards and backwards in tenths, order decimals with tenths.

Description of Mathematics

Number Framework Stage 6

Required Resource Materials
Calculators
Activity

Using Number Properties

Problem: Complete 13 ÷ 2 =  ? wholes + ? tenths. Predict the decimal point version

of the answer, then check on a calculator. (Answer: 6.5)

When teachers make up their own examples, they should make sure the answers are

to 1 d.p. So 13 ÷  5 = 2.6 is suitable, but 11 ÷÷ 4 = 2.75 is not.

 

Examples:

Find each answer and write it in two forms, that is, the words in wholes and tenths

and the decimal point shorthand:

21 ÷ 5              22 ÷  4                         10 ÷ 4              13 ÷  2                 15 ÷ 2

13 ÷  5             14 ÷  4                         18 ÷  4             17 ÷  2                 25 ÷  2

26 ÷  5             30 ÷ 4                         2÷ 4                 1÷ 2                15 ÷ 2

 

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Level Three