Before and after
One less comes just before a number. One more comes just after it. Count back or count on by 1.
Class 2 Maths · Chapter 1 · Topic 1-5
Order Numbers
Numbers have a place in a sequence. Find what comes before or after, then put numbers in order from least to greatest or greatest to least.
30CHALLENGES
Learn · compare · arrange
How to order numbers
Use place value and number patterns to help.
Least to greatest
Start with the smallest number and move up. This is called ascending order.
Greatest to least
Start with the biggest number and move down. This is called descending order.
Number line explorer
Numbers get greater as we move right →
Each step to the right adds 1. Each step to the left takes away 1.
5051525354555657585960
Compare tens first
Put 46, 64, 40 in order.
40 and 46 have 4 tens; 64 has 6 tens, so 64 is greatest. Between 40 and 46, 40 is smaller.
404664
Least to greatest: 40, 46, 64
Order by counting
What comes just before 100?
Count back one step: 100, 99. So 99 comes just before 100.
9899100
Read the direction
Circle the words least to greatest or greatest to least.
Compare place values
For two-digit numbers, compare tens first. If tens match, compare the ones.
Check the order
Read your list again. Does it keep getting bigger—or keep getting smaller?
Watch the direction: 12, 25, 50 is least to greatest. The reverse, 50, 25, 12, is greatest to least.
30 different ways to practise
Order Numbers Challenge
Includes the number-line and reasoning problems from your worksheet.
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