Adding two digit numbers on a number line

TL;DR

Cara starts with 42 blocks and adds 12 red blocks, 14 blue blocks, and 16 purple blocks, resulting in a total of 84 blocks.

Transcript

• [Instructor] We're told that Cara had a tower with 42 blocks. She added 12 red blocks, 14 more blue blocks, and 16 purple blocks. So what we want to do in this video is think about how many total blocks Cara now has. And to help us with that, we are going to set up a little bit of a number line here. And this number line, it keeps going in both d... Read More

Key Insights

• 🚫 Cara starts with 42 blocks.
• 🚫 Adding 12 red blocks brings the total to 54 blocks.
• 🚫 The addition of 14 blue blocks results in 68 blocks.
• 🚫 Finally, by adding 16 purple blocks, the total reaches 84 blocks.
• 🫥 The number line helps visualize the addition of blocks.
• ❓ Two different approaches can be used to calculate the total.
• 😫 Each set of blocks is added separately.

Questions & Answers

Q: How many blocks does Cara start with?

Cara starts with 42 blocks.

Q: How many red blocks does Cara add?

Cara adds 12 red blocks.

Q: What is the total number of blocks after adding the red and blue blocks?

After adding 12 red blocks and 14 blue blocks, the total number of blocks is 68.

Q: How many purple blocks does Cara add in total?

Cara adds 16 purple blocks in total.

Summary & Key Takeaways

• Cara starts with 42 blocks and adds 12 red blocks, reaching a total of 54 blocks.

• Then, she adds 14 blue blocks, bringing the total to 68 blocks.

• Finally, 16 purple blocks are added, resulting in a final total of 84 blocks.