Help your students recognize and strengthen their number sense with this PRINTABLE card set is actually 2 sets in one. The same 36 subatizing cards using place value blocks comes in 2 sizes - 7 X 9 or 4 X 5. Help your students recognize numbers by developing this fundamental skill for understanding numbers. Pattern recognition helps students to learn properties of numbers and number sense and the place value blocks extends the learning to higher numbers. Numbers included are ones, tens, hundreds, and a combination of blocks. Great for any student that understands ones, tens, and hundreds blocks. Perfect for small group instruction, partner work, independent work in a center or station. Even use to play Around the World or other games.