Understanding One Less Than Numbers

What happens to a number when you take away one?

• It doubles.

• It becomes larger.

• It stays the same.

• It becomes smaller.

Which tool is NOT mentioned as a way to visualize 'one less'?

• Number line

• Calculator

• Hundred square

• Numerical pieces

If the teacher says 'ten', what number should you clap for?

• Eight

• Eleven

• Nine

• Ten

What number is one less than 71?

• 72

• 70

• 69

• 73

Where can you find more videos to learn about numbers?

• In a textbook

• On the teacher's blog

• In the library

• On the teacher's YouTube channel