ICSE · Grade 1
Ch. 1: Numbers 1 to 20
Count, read, write and compare numbers 1–20 with an animated counting lab.
Count objects to 20
Read number names
Compare more and less
Order numbers
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🔢 Grade 1 · Maths
Numbers Lab — 1 to 20
Count · name · compare bigger and smaller
Tap a number!
1
one
5
five
10
ten
15
fifteen
20
twenty
0 is zero — nothing to count!
🍎🍎🍎
3
vs
🍎🍎🍎🍎🍎🍎🍎🍎
8
Bigger!
Bigger has more. Smaller has less. 8 is bigger than 3.
# Numbers 1–20
Count on fingers, toes and objects!
1 one · 2 two · 3 three · 4 four · 5 five
6 six · 7 seven · 8 eight · 9 nine · 10 ten
11 eleven … **20 twenty**
**Bigger** = more · **Smaller** = less
> Tap numbers in the **Numbers Lab** and watch dots appear!
Topics in this chapter
-
Counting
One-to-one count of objects.…
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Number names
1 one · 10 ten · 20 twenty…
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Compare
Bigger has more; smaller has less.…
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Zero
0 means nothing to count.…
Philosophy check
- What is this civilization?
- Why was it advanced?
- How did cities work?
- Where do we still see these ideas?
- Exams — what will be asked?