Lesson 7 of 8 · Kindergarten
Count by 5s
Count by 5s: 5, 10, 15, 20. Each jump is one hand of fingers.
Count by 5s: the list
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100
There are 20 fives in 100.
Questions kids ask
- How many 5s are in 100?: 20. Count by 5s and you say 20 numbers before you reach 100.
- What comes after 45 when you count by 5s?: 50. Add 5 to 45.
Step 1
Learn it
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One hand is 5
Hold up one hand. That is 5. Two hands make 10.
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Say the fives
5, 10, 15, 20, 25, 30 and on to 100.
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See the pattern
Every number ends in 5 or 0. They take turns.
Step 2
Watch how
Two examples, worked out one step at a time.
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Count by 5s: 5, 10, 15, __
Add 5 to 15. That is 20.
Answer: 20 -
Count by 5s: 30, 35, __
Add 5 to 35. That is 40.
Answer: 40
Step 3
Play with it
Count by 2, 5 or 10 and light up the 100 chart.
Step 4
Practice
Five questions. Think first. Then tap Show answer.
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Count by 5s: 10, 15, __
Show answer
20
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Count by 5s: 25, 30, __
Show answer
35
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Count by 5s: 45, 50, __
Show answer
55
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Count by 5s: 70, 75, __
Show answer
80
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How many fingers are on 3 hands?
Show answer
15