Envision Topic 10 Adding Numbers to 1,000

Front

What does it mean to regroup in addition?

Back

Regrouping in addition means to carry over a value from one place value to the next when the sum exceeds 10 in the tens place or 100 in the hundreds place.

Front

What is the sum of 482 and 336?

Back

818

Front

How do you use an open number line to add numbers?

Back

You can break the numbers into parts and add them step by step on the number line.

Front

What is the first step in adding 468 and 219 using an open number line?

Back

Start at 468 and add 200 to get to 668.

Front

What do you do if the sum of the tens exceeds 10?

Back

You regroup by carrying over 1 to the next higher place value.

Front

What is the sum of 284 and 231?

Back

515

Front

What is the importance of place value in addition?

Back

Place value helps us understand the value of each digit in a number and how to add them correctly.

Front

If you add 468 and 210, what is the sum?

Back

678

Front

What is the sum of 468 and 209?

Back

677

Front

What does it mean to add using any strategy?

Back

It means you can choose any method that works for you, such as using a number line, breaking numbers apart, or traditional addition.