ICSE · Grade 1
Ch. 2: Addition Stories
Put groups together within 10 using + and =, stories and an interactive sum lab.
Add within 10
Use + and = correctly
Solve picture stories
Say number sentences aloud
➕ Grade 1 · Maths
Addition Stories Lab
Put groups together · use + and = · watch the sum grow!
🐦🐦
+
🐦
=
🐦🐦🐦
2 birds sat on a tree. 1 more came.
2 + 1 = 3
+
=
5
Tap the numbers to change them (1–5). Watch the apples grow!
+
PlusPut together · add
=
EqualsThe answer · the sum
Σ
SumTotal after adding
# Addition
**+** means put together. **=** means the answer (the **sum**).
2 + 3 = 5
1 + 4 = 5
5 + 5 = 10
Story: 2 birds sat. 1 more came. Now **3** birds!
> Try **Play sums** in the Addition Lab — change numbers and watch apples grow!
Topics in this chapter
-
Putting together
Join two groups to find the total.…
-
Plus and equals
+ means add; = means the answer.…
-
Stories
2 birds + 1 bird = 3 birds…
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?