Week 4MondayNumber Bonds
1Warm-up: Make 10

2-min Fluency Warm-up — What makes 10?

7 + = 10

4 + = 10

9 + = 10

2 + = 10

2Number Bonds of 10

A number bond shows the WHOLE and its two PARTS. Fill in the missing part of 10.

6
10
3
10
8
10
5
10
3Number Bonds to 20

Now the whole is bigger than 10. What is the missing part?

14

9 and

9 + = 14

13

8 and

8 + = 13

15

7 and

7 + = 15

12

6 and

6 + = 12

4Number Talk: Which Sum is Bigger?

Number Talk — Explain WITHOUT calculating.

Which sum is bigger?

9 + 6 or 9 + 7

My thinking:

Which sum is bigger?

8 + 5 or 9 + 5

My thinking:

5Challenge: Show Two Different Ways

Challenge — Show two different ways to solve each fact.

Try: (1) a number bond, (2) counting on, or (3) making 10.

8 + 7 =

Strategy 1:

Strategy 2:

9 + 6 =

Strategy 1:

Strategy 2: