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.
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 ConnectionMake Connection
We will skip-count by 5s, 10s, and 100s. Learning Objective
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
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 435B 440
What number comes next after 450 when counting by 10s?A 455B 460
What number comes next after 810 when counting by 100s?A 910B 820
In your own words, what is skip-counting? “Skip-counting is ______________.”
What number comes next after 430 when counting by 5s?A 435B 440
What number comes next after 450 when counting by 10s?A 455B 460
What number comes next after 810 when counting by 100s?A 910B 820
In your own words, what is skip-counting? “Skip-counting is ______________.”
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
Read the numbers. Complete the sequence1. (write)Read the answer aloud.
Skip-count by 5s, 10s, and 100s.
1
23
1 set of things in order1 set of things in order
VocabularyVocabulary
How did I/you complete the sequence?
How did I/you complete the sequence?
CFUCFU
2
Skill Development/Guided Practice
Skill Development/Guided Practice
1. Count by 5s.
280, _____, _____, ______, ______, ______
2. Count by 5s.
345, _____, _____, ______, ______, ______3. Count by 10s.
610, _____, _____, ______, ______, ______4. Count by 10s.
280, _____, _____, ______, ______, ______
305300295290285
660
370365360355350
650640630620
330320310300290
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.
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
Skill Development/Guided Practice (continued)
Skill Development/Guided Practice (continued)
Read the numbers. Complete the sequence1. (write)Read the answer aloud.
Skip-count by 5s, 10s, and 100s.
1
23
5. Count by 100s.
450, _____, _____, ______, ______, ______
6. Count by 100s.
360, _____, _____, ______, ______, ______
How did I/you complete the sequence?
How did I/you complete the sequence?
CFUCFU
2
1 set of things in order1 set of things in order
VocabularyVocabulary
950850750650550
860760660560460
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.
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
Skill Development/Guided Practice (continued)
Skill Development/Guided Practice (continued)
Read the question. Identify2 the correct answer. (circle)Read the answer aloud.
Skip-count by 5s, 10s, and 100s.
1
23
How did I/you identify the correct answer?
How did I/you identify the correct answer?
CFUCFU
2
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 find2 find
VocabularyVocabulary
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.
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
Skip-counting by 5s, 10s, and 100s will help you count things quickly.
Skip-counting by 5s, 10s and 100s will help you do well on tests.
1
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?
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?
CFUCFU
2Sample 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
RelevanceRelevance
How many balloons?
5 10 15 20 25
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.
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
What did you learn today about skip-counting by 5s, 10s, and 100s? (Pair-Share) Use words from the word bank.
Skill ClosureSkill Closure
Access Common CoreAccess Common Core
Summary ClosureSummary Closure
Read the numbers. Complete the sequence. (write)Read the answer aloud.
Skip-count by 5s, 10s, and 100s.
1
23
1. Count by 5s.
450, _____, _____, ______, ______, ______
2. Count by 10s.
360, _____, _____, ______, ______, ______
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?
475470465460455
410400390380370
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.
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
Independent PracticeIndependent Practice
Read the numbers. Complete the sequence. (write)Read the answer aloud.
Skip-count by 5s, 10s, and 100s.
1
23
1. Count by 5s.
185, _____, _____, ______, ______, ______
2. Count by 10s.
860, _____, _____, ______, ______, ______3. Count by 100s.
230, _____, _____, ______, ______, ______4. Count by 100s.
345, _____, _____, ______, ______, ______
210205200195190
910900890880870
730630530430330
845745645545445
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.
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
Independent Practice (continued)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.
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
Periodic Review 1Periodic Review 1
Access Common CoreAccess Common Core
1. Count by 5s.
335, _____, _____, ______, ______, ______
2. Count by 100s.
445, _____, _____, ______, ______, ______
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.
CCSS 2nd Grade Numbers and Operations in Base Ten 2.2Skip-count by 5s, 10s, and 100s.
Lesson to be used by EDI-trained teachers only.
Periodic Review 2Periodic Review 2
1. Count by 10s.
755, _____, _____, ______, ______, ______
2. Count by 100s.
445, _____, _____, ______, ______, ______
Access Common CoreAccess 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.
![Grade 3 Mathematics: Support Documents for …...4s, using starting points that are multiples of 4 [C, CN, ME] Extend a skip-counting sequence by 10s or 100s, forward and backward,](https://static.documents.pub/doc/80x56/5e72be4e82108c370c394b35/grade-3-mathematics-support-documents-for-4s-using-starting-points-that-are.jpg)
