GRADE 1 · ALBERTAOUTCOME AB-G1-1N1
L3 · Zero: when there are none
Learning goal
“I can use zero to show when there are none.”
Zero — the number for when there are none. Its numeral is 0.
None — not any at all.
Empty — nothing inside.
Worked example
A bowl has no apples in it. How many apples are in the bowl? Step 1: Look for apples to count. There are no apples to touch. Step 2: "None" is a real answer, and it has a number. Step 3: The number is 0. We write 0 and say "zero."
Check yourself — explain it
Why do we need the number 0?
Paired problem — example still visible
A box has no crayons in it. How many crayons are in the box? -> 0
Faded completion — last step is yours
"A shelf has no books on it. There are ___ books on the shelf." -> 0
Ready to practise?
8 scored questions with a 3-rung hint ladder. Mastery needs 7/8 plus both gate questions.