Early learning · Grades K–2
Counting, groups and number stories · Revision card
A spoken count should match one item at a time.
Understand the idea
Count each item once
A spoken count should match one item at a time.
The last count gives the total
Reordering the same group does not change how many there are.
Explain the story
Adding joins groups; subtracting can describe taking away.
Worked examples
A tray has 2 red counters and 5 blue counters. How many counters are there altogether?
2 + 5 = 7.
7
Six blocks are in a tower. Two are removed. How many remain?
6 − 2 = 4.
4
Explain without looking
- Tell a short number story that matches 3 + 2 = 5.
Preview material · independent educational review required. Grade bands are approximate, not official curriculum alignment.