Title: Addition fact patterns Grade: 2 Book: enVision Math Topic 1 - Lesson 4 This power point show isn't enough alone, it should be with explanation.

1. Lesson 1-4
Addition Fact Patterns
+
++
+
+
+
T. Rayane Al Samrout

2. 2 + 3 = 55
1 + 4 = 5
3 + 2 = 5
4 + 1 = 5
5 + 0 = 5
0 + 5 = 5
5
5
5
5
5
The
Sum
is
the
sam
e
-1
-1
-1
-1
-1
+1
+
1
+
1
+
1
+
1
Diagonal Pattern

3. 4
4
4
4
4
1 + 3 = 4
0 + 4 = 4
2 + 2 = 4
3 + 1 = 4
4 + 0 = 4