Subtraction Using Base-Ten Blocks

The video tutorial explains how to use visual models for subtracting small numbers and introduces base 10 blocks for subtracting larger numbers. It provides a step-by-step guide on using base 10 blocks to subtract 93 and 52, highlighting the representation of ones, tens, and hundreds places. The lesson concludes with a summary of the subtraction process using base 10 blocks.

What is the result when you subtract 8 from 15 using visual models?

• 7

• 6

• 5

• 8

Why might visual models be challenging for subtracting larger numbers?

• They are not visual enough.

• They are too simple.

• They are not accurate.

• They require too many objects.

In base 10 blocks, what do rods represent?

• Thousands

• Ones

• Tens

• Hundreds

How many individual units are needed to represent the number 93 in base 10 blocks?

• 9

• 2

• 3

• 5

After subtracting 52 from 93 using base 10 blocks, what is the remaining number?

• 41

• 42

• 43

• 44