Subtraction Concepts with Base 10 Blocks

This video tutorial teaches how to subtract numbers within 1000 using base 10 blocks. It covers the representation of numbers with base 10 blocks, provides examples of subtraction, and addresses common misunderstandings. The tutorial also demonstrates solving equations with unknowns using base 10 blocks, ensuring a comprehensive understanding of the subtraction process.

What is the purpose of using base 10 blocks in subtraction?

• To make addition easier

• To visually represent numbers and aid in subtraction

• To multiply numbers quickly

• To divide numbers accurately

How is the number 785 represented using base 10 blocks?

• 7 hundreds, 8 tens, 5 ones

• 8 hundreds, 7 tens, 5 ones

• 7 hundreds, 5 tens, 8 ones

• 5 hundreds, 8 tens, 7 ones

When subtracting 473 minus 121, what is the first step?

• Subtract the hundreds

• Subtract the tens

• Subtract the ones

• Add the numbers

What is a common mistake when using base 10 blocks for subtraction?

• Adding the blocks instead of subtracting

• Starting with the hundreds column

• Not using enough blocks

• Using the removed blocks as the answer

In the subtraction of 639 minus 219, how many ones are removed?

• None

• Two

• Nine

• One

What is the result of subtracting 639 minus 219 using base 10 blocks?

• 520

• 420

• 220

• 320

When solving 900 minus blank equals 524, what is the first step?

• Guess the missing number

• Add 524 to 900

• Subtract 524 from 900

• Work backwards from the answer

How many hundreds should be left on top when solving 956 minus 432 equals 524?

• Four

• Five

• Six

• Seven

What is the missing number in the equation 956 minus blank equals 524?

• 432

• 342

• 532

• 442

What is the final step in solving a subtraction problem with an unknown part using base 10 blocks?

• Remove the blocks permanently

• Add the blocks together

• Guess the answer

• Count the blocks remaining