Lesson 48 SWBAT add and subtract ten mentally.

Model the number 124. Add a tens rod to your model. What did you get? Describe your work with words and numbers.

Model the number 354. Add a tens rod to your model. What did you get? Describe your work with words and numbers.

Model the number 67. Add a tens rod to your model. What did you get? Describe your work with words and numbers.

Look for a pattern! How can we use place value to help us add ten?

Model the number 763. Take a tens rod from the model. What happened? Describe your work with words and numbers.

Model the number 54. Take a tens rod from the model. What happened? Describe your work with words and numbers.

Model the number 489. Take a tens rod from the model. What happened? Describe your work with words and numbers.

Look for a pattern! How can we use place value to help us subtract ten?

Our tens trick can also help us notice patterns.

Our tens trick can also help us notice patterns. Which one of these patterns is skip- counting by ten? (a) 234, 244, 254, 264 (b) 234, 235, 236, 237 (c) 234, 334, 434, 434 (d) 234, 245, 256, 267

Lesson 49 SWBAT add and subtract a hundred mentally.

Model the number 124. Add a hundred to your model. What did you get? Describe your work with words and numbers.

Model the number 354. Add a hundred to your model. What did you get? Describe your work with words and numbers.

Model the number 67. Add a hundred to your model. What did you get? Describe your work with words and numbers.

Look for a pattern! How can we use place value to help us add hundred?

Model the number 763. Take a hundred from the model. What happened? Describe your work with words and numbers.

Model the number 454. Take a hundred from the model. What happened? Describe your work with words and numbers.

Model the number 489. Take a hundred from the model. What happened? Describe your work with words and numbers.

Look for a pattern! How can we use place value to help us subtract a hundred?

Our tens trick can also help us notice patterns. Start with the number 375. Skip-count by 100. What is the fifth number that you’ll say? 375….

Our tens trick can also help us notice patterns. Which one of these patterns is skip- counting by one hundred? (a) 234, 244, 254, 264 (b) 234, 235, 236, 237 (c) 234, 334, 434, 434 (d) 234, 245, 256, 267

Lesson 50 SWBAT skip-count by fives, tens and hundreds.

We have been skip-counting by tens and hundreds. There are lots of questions that you can answer about skip-counting such as… What is the 2 nd term? What is the 3 rd term? What is the pattern? What is the missing number? 149, 159, 169, ___, 189…

What pattern can we see below?

Continue the pattern skip-count by 5. Continue the pattern skip-count by 10. Continue the pattern skip-count by 100. What is the 4 th term in your pattern?

Lesson 51 SWBAT compare three digit numbers with words.

What does the word “compare” mean? When we compare in math, we see whether something is bigger or smaller. _____________ is __________ than ______________

To compare numbers, we really need to think about the models for the numbers. Model 287 and 531. _____________ is __________ than ______________

Compare the numbers: 199 and 213. _____________ is __________ than ______________

Compare the numbers: 345 and 452. _____________ is __________ than ______________

Write two sentences to compare 546 and 98.

Write two sentences to compare 271 and 176.

Write two sentences to compare and

Lesson 52 SWBAT compare three digit numbers with symbols.

What does the word “compare” mean? Yesterday we used the words. Today we will use symbols. _____________ is __________ than ______________

Compare the numbers: 199 and 213.

Compare the numbers: 345 and 452.

Jenica has 456 marbles. Her sister has 564 marbles. Write a inequality to compare how many marbles each sister has. Fill in the circle with or =.

Write two sentences to compare 546 and 98. Use symbols.

Write two sentences to compare 271 and 176. Use symbols.

Write two sentences to compare and Use symbols