1. 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
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EDI Lesson Overview

2. 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

3. 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, , , ,

4. 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

5. 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

6. 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

7. 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

8. count quicker add 5 add 10 add 100
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
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.
450, _____, _____, ______, ______, ______
2. Count by 10s.
360, _____, _____, ______, ______, ______
455
460
465
470
475
370
380
390
400
410
Word Bank
skip-count
count quicker add 5 add 10 add 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 word bank.

9. 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

10. 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

11. 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.

12. 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.

13. 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.

14. 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