math and science education

 

 

Doubles Plus 1

Doubles, doubles,
Doubles are fun,
But much better yet,
Are doubles plus
1!
Double a
4,
You always get 8,
Let's memorize that,
'Cause doubles are great!
So
4 + 5,
Is just
1 more!
You gotta' get 9?
Just check to be sure!
4 + 4,
Plus
1,
Is
9,
Doubles plus
1,
Saves you sweet time!!!
Know a double?
Add
1 more!
Doubles plus
1,
The best way to score!
Doubles, doubles,
Doubles are fun,
But much better yet,
Are doubles plus
1!

Watch Mr. R.'s
Doubles + 1 Numbers Music Video
doubles plus one halloween math

Watch Mr. R.'s
Double Numbers Music Video
double number song


Math Challenges
If double 9 (9 + 9) is equal to 18, what is 9 + 10 equal to?
One friend gives you 7 pieces of candy. A second friend gives you 7 more pieces of candy, and a third friend gives you 1 more piece of candy. How many pieces of candy do you have in total? (remember to add the doubles first!)
What's 25 + 26 equal to? (think about doubles + 1 to solve quickly!)

Watch Mr. R.'s Double Number Videos
double number videos

Listen to Mr. R.'s double number songs!
double number songs

 

 

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