SCCI Digital Library and Forum

Addition and subtraction (K-A)

Addition within 20 (K-A)
Subtraction within 20 (K-A)
Equal sign (K-A)
Word problems within 20 (K-A)
Word problems with "more" and "fewer" (K-A)
Repeated addition (K-A)
Adding 1s and 10s (K-A)
Subtracting 1s and 10s (K-A)
Intro to addition with 2-digit numbers (K-A)