# 2nd Grade MATH EDI Lesson Overview

## Presentation on theme: "2nd Grade MATH EDI Lesson Overview"— Presentation transcript:

2nd Grade MATH EDI Lesson Overview
Learning Objective: We will skip-count by 5s, 10s, and 100s. Focus Standard: 2.NBT.2 Count within 1000; skip-count by 5s, 10s, and 100s. Support Standard: SMP 3, SMP 6, SMP 7 Prerequisite(s): K.CC.2 Count to 100 by ones and by tens. Manipulative(s): Special Instructions: Vocabulary Academic: sequence Content: skip count Support: READY TO TEACHSM EDI ® Lessons ©2013 All rights reserved. EDI Lesson Overview

Learning Objective We will skip-count by 5s, 10s, and 100s. What are we going to do? CFU Activate Prior Knowledge Count by 10s. ___, ___, ___, ___, ___, ___, ___, ___, ___, ___ 10 20 30 40 50 60 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. Make Connection 70 80 90 100

Skip-count by 5s 410, 415, 420, 425, 430 Skip-count by 10s
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. 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 ______________.” CFU Skip-Count Skip-count by 5s 410, , , , Skip-count by 10s 410, , , , Skip-count by 100s 410, , , ,

280, _____, _____, ______, ______, ______
Skill Development/Guided 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. How did I/you complete the sequence? CFU 2 Read the numbers. Complete the sequence1. (write) Read the answer aloud. Skip-count by 5s, 10s, and 100s. 1 2 3 1. Count by 5s. 280, _____, _____, ______, ______, ______ 2. Count by 5s. 345, _____, _____, ______, ______, ______ 3. Count by 10s. 610, _____, _____, ______, ______, ______ 4. Count by 10s. 285 290 295 300 305 350 355 360 365 370 620 630 640 650 660 290 300 310 320 330 1 set of things in order Vocabulary

450, _____, _____, ______, ______, ______
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. How did I/you complete the sequence? CFU 2 Read the numbers. Complete the sequence1. (write) Read the answer aloud. Skip-count by 5s, 10s, and 100s. 1 2 3 5. Count by 100s. 450, _____, _____, ______, ______, ______ 6. Count by 100s. 360, _____, _____, ______, ______, ______ 550 650 750 850 950 460 560 660 760 860 1 set of things in order Vocabulary

To skip-count is to count quicker by skipping some numbers.
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. How did I/you identify the correct answer? CFU 2 Read the question. Identify2 the correct answer. (circle) Read the answer aloud. Skip-count by 5s, 10s, and 100s. 1 2 3 7. Which is the correct way to count by 100s? A 320, 330, 340, 350 B 425, 430, 435, 445 C 255, 355, 455, 555 D 270, 280, 290, 300 8. Which is the correct way to count by 100s? A 560, 570, 580, 590 B 265, 275, 285, 295 C 470, 480, 490, 500 D 360, 460, 560, 660 2 find Vocabulary

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. 1 Skip-counting by 5s, 10s, and 100s will help you count things quickly. How many balloons? 5 10 15 20 25 2 Skip-counting by 5s, 10s and 100s will help you do well on tests. 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

185, _____, _____, ______, ______, ______
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. Read the numbers. Complete the sequence. (write) Read the answer aloud. Skip-count by 5s, 10s, and 100s. 1 2 3 1. Count by 5s. 185, _____, _____, ______, ______, ______ 2. Count by 10s. 860, _____, _____, ______, ______, ______ 3. Count by 100s. 230, _____, _____, ______, ______, ______ 4. Count by 100s. 345, _____, _____, ______, ______, ______ 190 195 200 205 210 870 880 890 900 910 330 430 530 630 730 445 545 645 745 845

To skip-count is to count quicker by skipping some numbers.
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. Read the question. Identify the correct answer. (circle) Read the answer aloud. Skip-count by 5s, 10s, and 100s. 1 2 3 7. Which is the correct way to count by 100s? A 660, 670, 680, 690 B 365, 375, 385, 395 C 470, 480, 490, 500 D 560, 660, 760, 860 8. Which is the correct way to count by 100s? A 260, 270, 280, 290 B 875, 885, 895, 900 C 370, 470, 570, 670 D 460, 470, 480, 490

335, _____, _____, ______, ______, ______
Periodic Review 1 1. Count by 5s. 335, _____, _____, ______, ______, ______ 2. Count by 100s. 445, _____, _____, ______, ______, ______ 340 345 350 355 360 545 645 745 845 945 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.

755, _____, _____, ______, ______, ______
Periodic Review 2 1. Count by 10s. 755, _____, _____, ______, ______, ______ 2. Count by 100s. 445, _____, _____, ______, ______, ______ 765 775 785 795 805 545 645 745 845 945 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.

890, _____, _____, ______, ______, ______
Periodic Review 3 1. Count by 10s. 890, _____, _____, ______, ______, ______ 2. Count by 100s. 245, _____, _____, ______, ______, ______ 900 910 920 930 940 345 445 545 645 745 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.

EDI – Cognitive, Teaching, and English Learner Strategies
Learning Objective: We will skip count by 5s, 10s, and 100s. Cognitive Strategies Teaching Strategies Elaboration Demonstration Language Strategies Targeted Vocabulary Academic sequence Content skip count Support Vocabulary Strategy Multiple-Meaning Synonym Definition skip count, sequence Homophone Internal Context Clue Listen, Speak Similar Sounds Read Tracked Reading Write Writing Content Access Strategies Comprehensible Input Cognates Contextual Clues Graphic Organizer Contextualized Definitions Pictures