
Click to enlarge
Introduction
Display the Headline Story pictured in the sidebar with the class. Have children write a number sentence about the picture and use base-ten blocks to illustrate their sentences.
Possible student responses
- 20 + 34 = 54
- 34 + 20 = 54
- 54 – 20 = 34
- 54 – 34 = 20
- 50 + 4 = 54