What's a Sum?

What's a Sum? a song by Heidi Butkus on Archodia Music

Greater Than, Fewer Than by Heidi Butkus ,
Subitize by Heidi Butkus ,
Rekenrek Song by Heidi Butkus ,
Mission Ways to Make Four by Heidi Butkus ,
What's a Sum? by Heidi Butkus ,
Counting on with Addition by Heidi Butkus ,
Counting by Threes by Heidi Butkus ,
Putting Numbers in Order by Heidi Butkus ,
Odds & Evens by Heidi Butkus ,
Hexagon by Heidi Butkus ,
Trapezoid by Heidi Butkus ,
Cylinder by Heidi Butkus ,
Measuring with a Ruler by Heidi Butkus ,
The Pattern of the Hundreds Chart by Heidi Butkus ,
12 vs. 21 by Heidi Butkus ,
Counting Backwards from 20 by Heidi Butkus ,
Telling Time Is Easy by Heidi Butkus ,
One Half by Heidi Butkus ,
One Fourth by Heidi Butkus ,
Counting Coins by Heidi Butkus ,
Adding Numbers to Ten by Heidi Butkus ,
So Many Ways to Solve a Problem by Heidi Butkus ,
Keywords for Addition by Heidi Butkus ,
Keywords for Subtraction by Heidi Butkus ,
Get on the Ten's Bus! by Heidi Butkus ,
What Is Place Value? by Heidi Butkus ,