Rekenreks, also known as arithmetic racks or calculating frames, are ideal for building number sense in students. The Rekenrek gives students a concrete, physical object to help develop and deepen their understanding of numbers. Students build a strong sense of 5 and 10, learning about the relationships among numbers and operations along the way.
Sturdy, wooden frame
Measures 9-3/4" x 2-3/4" x 2"
2 rows of 10 beads each
5 red beads and 5 white beads on each row
WHAT TO TEACH
Subitizing: Color coded beads help students identify numbers without counting.
Composing & Decomposing Numbers: Make and break values to five and ten.
Addition & Subtraction Strategies: Doubles strategies, near five, near ten, counting on.