Subitize Numbers to 100 with Base 10 Discs 1-100

Use quick images to develop number sense, build confidence, and lay the foundation for place-value. Subitize how many in all, and how many more make the next multiple of 10 – the key to adding single and double-digit numbers using the all-important Make 10s strategy.

 
 

2. Practice

Lesson
1-100
Lesson
1-100
Lesson
1-100