Compare and order numbers with up to 3 decimal places | Maths

Starter quiz

Order these place values from largest to smallest.
- 1
  
  ⇔
  
  Ones
- 2
  
  ⇔
  
  tenths
- 3
  
  ⇔
  
  hundredths
- 4
  
  ⇔
  
  thousandths
What is the value of the 7 in 32.573?
- 7 tens
- 7 tenths
- 7 hundreds
- 7 hundredths ✓
- 7 thousandths
Match the symbol to its correct definition.
- <
  
  ⇔
  
  less than ✓
- >
  
  ⇔
  
  greater than ✓
- =
  
  ⇔
  
  equal to ✓
How many tenths are there altogether in 8.7?
- '87' ✓
What is the total value of the counters?
- '4.252 ' ✓
4.375 is composed of how many thousandths?
- 5
- 75
- 375
- 4375 ✓

3.756 is composed of 3 ones and how many additional thousandths?
- '756' ✓
Match the keywords with the correct definitions.
- Compare
  
  ⇔
  
  When you look for similarities and differences in an object ✓
- Place value
  
  ⇔
  
  The value of a digit in a number based on where it is placed ✓
- Order
  
  ⇔
  
  Putting numbers in a place based on a set rule. ✓
Select all the statements that are true.
- 3.784 > 2.483 ✓
- 2.483 > 3.784
- 3.784 < 2.483
- 2.483 < 3.784 ✓
Write the missing symbol to compare these numbers: 4.376 ______ 5.2
- '<' ✓
Order the following lengths from largest to smallest:
- 1
  
  ⇔
  
  3.1 m
- 2
  
  ⇔
  
  1.3 m
- 3
  
  ⇔
  
  1.003 m
- 4
  
  ⇔
  
  0.98 m
Which of the following pairs of number sentences could be completed by using the > inequality symbol?
- 4.5 _ 5.4
- 7.06 _ 7.05 ✓
- 8.006 _ 9
- 3.76 _ 3.67 ✓

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To compare two numbers, you compare digits with the same place value, starting with the largest place-value digit
If whole numbers. tenths and hundredths are the same, look at the value of the thousandths digit to compare and order

Pupils mistake numbers with more digits after the decimal point to be the larger number.

Provide opportunities for pupils to build numbers with base 10 blocks, enabling them to see the magnitude of the numbers they compare.

Compare - When you compare, you look for similarities and differences in an object or value.
Place value - The value of a digit in a number based on where it is placed is known as place value.
Order - You can order numbers by putting them in a place based on a set rule.