Mouse Count
How Tall?: Wacky Ways to Compare Height (Wacky Comparisons)
Ten Black Dots
How Heavy?: Wacky Ways to Compare Weight (Wacky Comparisons)
12 Ways to Get to 11 (Aladdin Picture Books)
Double the Ducks (MathStart 1)
A Pair of Socks (MathStart Series, Matching, Level 1)
Feathers for Lunch
Quack and Count
Just Enough Carrots (MathStart 1)