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Grade 6 Maths: Whole numbers poster

A one-page CAPS Grade 6 Maths poster on whole numbers (Numbers), with the key ideas, key words and a tip to remember.

CAPS Grade 6MathsNumbersFree
Maths · Grade 6 · Numbers
Whole numbers

1Place value to 9 digits

Each place is worth 10 times the place to its right. HM = hundred millions, TM = ten millions, M = millions, HTh = hundred thousands, TTh = ten thousands, Th = thousands.

HM6TM1M8HTh3TTh0Th5H7T2U4
Example

In 618 305 724 the 8 is in the millions place.
8 × 1 000 000 = 8 000 000

2Reading and writing numbers

  • Write numbers in groups of three with a space between them.
  • Say the millions, then the thousands, then the rest.
  • A zero holds a place when a place is empty.
Example

27 040 096 = twenty-seven million, forty thousand and ninety-six

3Expanded form

Write each digit with its value, then add the parts.

Example

700 000 000 + 4 000 000 + 50 000 + 600 + 8 = 704 050 608

4Comparing and ordering

  • More digits means a bigger number.
  • Same number of digits? Compare the digits from the left. The first digit that is different decides.
Example

9 450 000 < 10 200 000 (7 digits and 8 digits)
63 482 910 > 63 428 910 (8 is more than 2)

5Rounding

Look at the digit to the right of the place you are rounding to. If it is 5 or more, round up. If it is 4 or less, round down.

70 00075 00080 000
Example

73 800 to the nearest 10 000 is 70 000.
38 520 000 to the nearest 1 000 000 is 39 000 000.

6Rounding to the nearest 5

Find the two multiples of 5 on either side and choose the one that is closer.

Example

4 862 is between 4 860 and 4 865.
4 862 is 2 from 4 860 and 3 from 4 865, so it rounds to 4 860.

Key words

digit
one of the symbols 0 to 9
place value
the value a digit has because of where it is
round
change a number to a nearby, simpler number
expanded form
a number written as the sum of its place values
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For your students

Learners can practise this topic for free with a short quiz and flashcards, with no sign-up. Open the Whole numbers revision.

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