Subtraction with Base 10 Blocks

This video tutorial explains how to perform subtraction using base 10 blocks without regrouping. It begins by introducing the necessary materials, such as a place value mat and base 10 blocks, and provides a downloadable PDF for these resources. The instructor demonstrates subtraction with two examples: 46 - 34 and 76 - 44, emphasizing the importance of starting with the ones place. The video concludes with a practice problem, encouraging viewers to apply what they've learned by solving 69 - 15 on their own.

What materials do you need to perform subtraction with base 10 blocks?

• A computer and a printer

• A ruler and a pencil

• Base 10 blocks and a place value mat

• A calculator and a notebook

In subtraction, which number should be placed first?

• The smaller number

• The number with more digits

• The larger number

• Any number

What is the first step when subtracting 46 - 34 using base 10 blocks?

• Subtract the tens first

• Subtract the ones first

• Add the numbers together

• Multiply the numbers

What is the result of 46 - 34 using base 10 blocks?

• 16

• 14

• 10

• 12

When subtracting 76 - 44, what should you do after removing the ones?

• Multiply the tens

• Add the tens

• Remove the tens

• Add more ones

What is the difference when subtracting 76 - 44 using base 10 blocks?

• 22

• 42

• 32

• 52

What is the first step when trying subtraction on your own with 69 - 15?

• Multiply the numbers

• Add the numbers

• Start with the ones place

• Start with the tens place

What should you remember to do before starting a new subtraction problem?

• Clear the mat

• Add more blocks

• Multiply the blocks

• Divide the blocks

What is the correct order of operations when using base 10 blocks for subtraction?

• Multiply first, then divide

• Add first, then subtract

• Ones first, then tens

• Tens first, then ones

What is the result of 69 - 15 using base 10 blocks?

• 44

• 54

• 64

• 74