We will skip-count by 5s, 10s, and 100s.

1. Name Learning Objective We will skip-count by 5s, 10s, and 100s. CFU What are we going to do? Activate Prior Knowledge Count by 10s. ___, ___, ___, ___, ___, ___, ___, ___, ___, ___ Make Connection Students, you already know how to count by tens. Sometimes we can make counting quicker by skipping some numbers. This is called skip counting. Now, we will skip-count by 5s, 10s, and 100s.

2. Concept Development • To skip-count is to count quicker by skipping some numbers. • To count by 5s is to count by adding 5 each time. • To count by 10s is to count by adding 10 each time. • To count by 100s is to count by adding 100 each time. Skip-Count CFU What number comes next after 430 when counting by 5s? A 435 B 440 What number comes next after 450 when counting by 10s? A 455 B 460 What number comes next after 810 when counting by 100s? A 910 B 820 In your own words, what is skip-counting? “Skip-counting is ______________.”

3. Skill Development/Guided Practice 1 • To skip-count is to count quicker by skipping some numbers. • To count by 5s is to count by adding 5 each time. • To count by 10s is to count by adding 10 each time. • To count by 100s is to count by adding 100 each time. Skip-count by 5s, 10s, and 100s. Read the numbers. Complete the sequence1. (write) Read the answer aloud. 1 2 3 How did I/you complete the sequence? CFU 1 set of things in order Vocabulary 2

4. Skill Development/Guided Practice (continued) • To skip-count is to count quicker by skipping some numbers. • To count by 5s is to count by adding 5 each time. • To count by 10s is to count by adding 10 each time. • To count by 100s is to count by adding 100 each time. Skip-count by 5s, 10s, and 100s. Read the question. Identify2 the correct answer. (circle) Read the answer aloud. 1 2 3 How did I/you identify the correct answer? CFU 2 find Vocabulary 2

5. Relevance • To skip-count is to count quicker by skipping some numbers. • To count by 5s is to count by adding 5 each time. • To count by 10s is to count by adding 10 each time. • To count by 100s is to count by adding 100 each time. Skip-counting by 5s, 10s, and 100s will help you count things quickly. 1 How many balloons? 5 10 15 20 25 Skip-counting by 5s, 10s and 100s will help you do well on tests. 2 Sample Test Question: 24. Which is the correct way to count by 100s? A 410, 420, 430, 440 B 380, 390, 400, 410 C 420, 520, 620, 720 D 375, 380, 385, 390 Does anyone else have another reason why it is relevant to skip-count by 5s, 10s, and 100s? (Pair-Share) Why is it relevant to skip-count by 5s, 10s, and 100s? You may give one of my reasons or one of your own. Which reason is more relevant to you? Why? CFU

6. To skip-count is to count quicker by skipping some numbers. • To count by 5s is to count by adding 5 each time. • To count by 10s is to count by adding 10 each time. • To count by 100s is to count by adding 100 each time. Skill Closure Skip-count by 5s, 10s, and 100s. Read the numbers. Complete the sequence. (write) Read the answer aloud. 1 2 3 Word Bank skip-count countquickeradd 5add 10add 100 Access Common Core Roberto was asked to count by 5s starting at 360. He wrote 365, 375, 385, 395. Do you agree with him? Why or why not? ________________________________________________________ ________________________________________________________ ________________________________________________________ Summary Closure What did you learn today about skip-counting by 5s, 10s, and 100s?(Pair-Share) Use words from the work bank.

7. Name Independent Practice • To skip-count is to count quicker by skipping some numbers. • To count by 5s is to count by adding 5 each time. • To count by 10s is to count by adding 10 each time. • To count by 100s is to count by adding 100 each time. Skip-count by 5s, 10s, and 100s. Read the numbers. Complete the sequence. (write) Read the answer aloud. 1 2 3

8. Independent Practice (continued) • To skip-count is to count quicker by skipping some numbers. • To count by 5s is to count by adding 5 each time. • To count by 10s is to count by adding 10 each time. • To count by 100s is to count by adding 100 each time. Skip-count by 5s, 10s, and 100s. Read the question. Identify the correct answer. (circle) Read the answer aloud. 1 2 3

9. Name Periodic Review 1 Access Common Core 1. Stacey was asked to count by 5s starting at 540. She wrote 545, 555, 565, 575. Do you agree with her? Why or why not? Write the answer the correct way, if needed. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 2. Danny was asked to count by 10s starting at 630. He wrote 630, 640, 660, 670. Do you agree with him? Why or why not? Write the answer the correct way, if needed. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 3. Stacey was asked to count by 100s starting at 280. She wrote 380, 580, 680, 780. Do you agree with her? Why or why not? Write the answer the correct way, if needed. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________

10. Name Periodic Review 2 Access Common Core 1. Kevin needs to find out how many chairs there are in the auditorium. If there are ten chairs in each row, what would be the easiest way for him to count eight rows? Explain. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 2. Mrs. Cardenas needs to find out how many students are waiting to get into the cafeteria. If there are five students in each row, what would be the easiest way for her to count nine rows? Explain. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 3. Adrianna wants to know how many pennies she has in her bank. If she puts the pennies in rolls of one hundred, what would be the easiest way for her to count six rolls? Explain. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________

11. Name Periodic Review 3 Access Common Core 865, 925, 805 1. From the numbers above, choose a number to start with and skip-count by 10s to 1,000. 165, 260, 305 2. From the numbers above, choose a number to start with and skip-count by 100s to 1,000. 905, 895, 975 3. From the numbers above, choose a number to start with and skip-count by 5s to 1,000.

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