Lesson 8 of 8 · Kindergarten
Count by 2s
Count by 2s: 2, 4, 6, 8. Things in pairs make even numbers.
Step 1
Learn it
-
Pairs
Two shoes make a pair. Two pairs are 4 shoes. Three pairs are 6.
-
Say the twos
2, 4, 6, 8, 10, 12, 14, 16, 18, 20.
-
Even numbers
These numbers end in 0, 2, 4, 6 or 8. They are even. Every dot has a partner.
Step 2
Watch how
Two examples, worked out one step at a time.
-
Count by 2s: 2, 4, 6, __
Add 2 to 6. That is 8.
Answer: 8 -
Count by 2s: 12, 14, __
Add 2 to 14. That is 16.
Answer: 16
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.
-
Count by 2s: 4, 6, __
Show answer
8
-
Count by 2s: 8, 10, __
Show answer
12
-
Count by 2s: 16, 18, __
Show answer
20
-
How many shoes are in 4 pairs?
Show answer
8
-
Is 7 even or odd?
Show answer
Odd