Number Line Operations and Concepts

The video tutorial demonstrates how to use number lines to solve addition and subtraction problems. It covers adding 361 and 544, solving 718 + 240, subtracting 368 from 585, and solving 935 - 420. Each example is broken down step-by-step, showing how to correctly use number lines to arrive at the correct answer.

Which number line correctly represents the addition of 361 and 544?

• A number line adding 400, 40, and 4

• A number line adding 500, 50, and 4

• A number line adding 500, 40, and 4

• A number line adding 400, 50, and 4

What is the final sum when 361 is added to 544 using the correct number line?

• 861

• 905

• 915

• 901

Which expression can be solved using a number line that starts at 718 and adds 200 and 40?

• 718 + 240

• 718 + 204

• 718 + 420

• 718 + 402

What is the result of adding 718 and 240 using the number line?

• 938

• 958

• 948

• 928

Which number line correctly represents the subtraction of 368 from 585?

• A number line subtracting 3 hundreds, 8 tens, and 6 ones

• A number line subtracting 3 hundreds, 6 tens, and 8 ones

• A number line subtracting 3 hundreds, 6 tens, and 6 ones

• A number line subtracting 3 hundreds, 8 tens, and 8 ones

What is the correct result when 368 is subtracted from 585 using the number line?

• 217

• 217

• 217

• 217

In the subtraction of 368 from 585, which number line incorrectly swaps tens and ones?

• A number line subtracting 3 hundreds, 8 tens, and 6 ones

• A number line subtracting 3 hundreds, 6 tens, and 8 ones

• A number line subtracting 3 hundreds, 6 tens, and 6 ones

• A number line subtracting 3 hundreds, 8 tens, and 8 ones

Which expression is solved by a number line that starts at 935 and subtracts 400 and 20?

• 935 - 402

• 935 - 240

• 935 - 420

• 935 - 204

What is the result of subtracting 420 from 935 using the number line?

• 495

• 515

• 505

• 525

What is the correct subtraction sequence for 935 - 420 on the number line?

• Subtract 300, then 20

• Subtract 200, then 40

• Subtract 400, then 40

• Subtract 400, then 20