Explain that decimal numbers with hundredths can be partitioned in different ways | Maths

Starter quiz

Breaking an object of value down into smaller parts is known as:

partitioning ✓

adding

combining
Tick the correct number for the missing part.

30 ✓

3

37
Write in the missing number for this part-part-whole model.

'0.4' ✓
Tick the expression that would represent this image.

30 + 5 + 2

30 + 0.5 + 2

3 + 5 + 2

30 + 0.5 + 0.02

30 + 5 + 0.2 ✓
Tick the decimal number that has been partitioned.

5.74 ✓

4.75

7.54

5.47
6.42 has been partitioned into three parts. Tick the options that the two remaining parts could be.

6 and 0.2

6 and 0.02 ✓

3.01 + 3.01 ✓

4.2 + 2.01

0.6 + 0.02

Write in the missing number from the part-part-whole model.

'0.06 ' ✓
Tick the equations that could be written based on this part-part-whole model.

4.82 - 4 = 0.82 ✓

4 + 8 + 0.2 = 4.82

0.8 = 4.82 - 4.02 ✓

0.8 = 4 + 0.02
Match the correct expression to each sum.

2.1 + 1.15

⇔

3.25 ✓

1.2 + 2.06

⇔

3.26 ✓

3.12 + 0.23

⇔

3.35 ✓
Fill in the missing number of this equation: 1 x 6 + ______ x 3 + 0.01 x 4 = 6.34

'0.1 ' ✓
Tick the expressions that sum to 3.52

3 + 5 x 0.1 + 2 x 0.1

5 x 0.1 + 3 x 1 + 2 x 0.01 ✓

3 + 5 + 0.1 x 2

3 x 1 + 5 x 0.1 + 2 x 0.01 ✓
Tick the partitioned equation that would not sum to 7.36

7 + 0.3 + 0.06

3.3 + 4.06

3.35 + 4.01

0.02 + 7.16 ✓

7.0 + 0.36

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Place value resources can help you to partition decimal numbers with hundredths in different ways.
Decimal numbers with hundredths can be partitioned into a whole number, a number of tenths and a number of hundredths.
Part-part-whole models can be used to partition decimal numbers with hundredths into two parts in different ways.
Decimal numbers with hundredths can be written as multiplication equations with a factor of 0.01

Pupils write subtraction equations incorrectly for example: 7.42 = 7 − 0.4 − 0.02

Create the number using place value counters and subtract parts whilst drawing a part-whole model and writing the equation alongside.

Partitioning - The act of splitting an object or value down into smaller parts.
Decimal numbers - A number with a decimal point followed by digits that show the fractional part.