Addition Strategies and Word Problems

The video reviews topic 10, focusing on addition up to 1000. It covers strategies like adding 10 and 100, using partial sums, and solving problems with an open number line. The video also includes word problems and offers tips for the topic 10 assessment.

What is the main focus of Topic 10 in this review?

• Subtracting numbers up to 1000

• Dividing numbers up to 1000

• Adding numbers up to 1000

• Multiplying numbers up to 1000

Which strategy is NOT mentioned in the introduction of Topic 10?

• Partial sums

• Open number line

• Multiplication tables

• Word problems

When adding 10 to the number 649, which digit changes?

• Hundreds place

• Tens place

• Ones place

• None of the above

What is the result of adding 100 to 526?

• 726

• 626

• 826

• 526

In the partial sums method, what is the first step?

• Add the ones

• Add the tens

• Add the hundreds

• Add all numbers together

What is the sum of 128 and 235 using partial sums?

• 383

• 373

• 363

• 353

How do you fill in the boxes when using partial sums online?

• Put all digits in one box

• Put only the hundreds in boxes

• Put each digit in a separate box

• Put only the tens in boxes

What is the sum of 482 and 155 using partial sums?

• 627

• 647

• 657

• 637

What is the purpose of an open number line?

• To multiply numbers

• To divide numbers

• To subtract numbers

• To solve addition problems

What is the final sum of 326 and 260 using an open number line?

• 786

• 486

• 586

• 686