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| Grades PreK-5
These durable and colorful counters will help build your students' counting skills. Two-color counters are red on one side and yellow on the other. Great for teaching many early math concepts. Counters measure 1" diameter.
200 Two-color counters
| Grades K-2
Develop number concepts and learn basic facts up to ten. 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.
FREE Sample Lessons
Hands-On Standards® Number & Operations: Solve Word Problems Involving
Comparing. TMutm_source=PDF&utm_medium=web&utm_campaign=reksamp-hos" target=blank>View Sample Lesson
Learn with Rekenreks Teacher Resource Guide: Making ten. TMutm_source=PDF&utm_medium=web&utm_campaign=reksamp-learnwith" target=blank>View Sample Lesson
| Grades 2-6
Teach your students about place value. Place value foam chips (disks) are non-proportional models that can be used once students have a solid understanding of our place value system. Colored chips with values imprinted on them allow students to develop strategies based on properties, reinforce traditional algorithms, and build understanding of the meanings of mathematical operations and other topics such as rounding to the nearest. Each disk measure 1 1/2".
Class set enough for 30 students.
10 Assorted colors
Marked with values
875 Place Value Disks, assorted colors
25 - 1,000,000 chips
25 - 100,000 chips
25 - 10,000 chips
50 - 1,000 chips
125 - 100 chips
125 - 10 chips
125 - 1 chips
125 - .1 chips
125 - .01 chips
125 - .001 chips
| Grades K-8
Spark students' interest in mathematics and help them learn important math concepts as they progress from concrete representation to abstract thinking. Cuisenaire Rods provide endless opportunities to introduce, investigate, and reinforce key math topics such as addition, subtraction, geometry, fractions, measurement, multiplication, and division.
10 different lengths ranging from 1 cm-10 cm
Plastic rods are easy to clean and store
Packaged in a sturdy storage tote
15 sets of 74 Cuisenaire Rods
Cuisenaire Rods Virtual Manipulative
VersaTote Storage container
| Grades 1-K
Help students express number concepts with this ten frame set . Ten Frames are perfect for helping students visualize equations. Helps teach addition, subtraction, counting, and cardinality. Big enough to be used in group activities and demonstrate number concepts easily. Designed for use with whiteboards and other magnetic surfaces. Each magnetic Ten Frame measures 12 1/4" x 5".
Learning Styles: Visual, Tactile
Skill Development: Early math skills (counting, addition, subtraction, foundational place value)
Great for small group: Allows students and teachers to engage
4 Magnetic Ten Frames
40 discs (20 blue, 20 green)
Activity Guide Recommended activities to do with students.
| Grades PreK-8
Help your students develop a number sense with these Color Tiles. Perfect manipulative for modeling important math concepts to develop basic arithmetic skills, logical thinking, and algebraic and geometric understanding. Useful for activities in patterning, counting, sorting, measuring, probability, fractions, estimation, and place value. Each tile measures 1".
Four vibrant colors (red, blue, yellow, and green)
400 - 1" Plastic Color Tiles
1 VersaTote storage container
| Grades 1-8
Get back to basics and outfit your entire class with Base Ten manipulatives. A classic classroom resource for teaching place value, math computation, grouping, and operations.
Contains enough manipulatives for 30 students
Manipulatives made of durable plastic
All packaged in a convenient plastic tote
1,000 Base Ten blue units
500 Base Ten blue rods
100 Base Ten blue flats
10 Base Ten blue cubes
Base Ten transparent set
FREE 12-month Base Ten virtual manipulative subscription
1 storage tote
| Grades PreK-PreK
Round plastic transparent counters. Each counter measures 3/4".
Snap Cubes make connections easy for all math activities. Snap Cubes are ideal for learning and modeling number concepts, exploring the squares and cubes of a number, and solving three-dimensional spatial reasoning tasks. These plastic cubes come in 10 colors (that match Cuisenaire Rods) and are compatible with all Unifix materials.
Easy for small hands to twist apart
Easy to clean
Set of 1,000
An essential classroom resource at any age level! Elementary students can use blocks for shape recognition, shape matching, and spatial relations. Older students can explore fractions, geometry, and symmetry.
Pattern blocks to supply an entire classroom
Foundation for geometry and fractions
Variety of colors and sizes
1,250 Pattern blocks (1-cm thick)
FREE 12-month Pattern blocks virtual manipulative subscription
Teach your students about place value. Place value chips (disks) are non-proportional models that can be used once students have a solid understanding of our place value system. Colored chips with values imprinted on them allow students to develop strategies based on properties, reinforce traditional algorithms, and build understanding of the meanings of mathematical operations and other topics such as rounding to the nearest. Each disk measures 1 1/2".
4 Assorted colors
Marked with whole number values
50 - 1 chips
50 - 10 chips
50 - 100 chips
50 - 1,000 chips
Help students develop an early number sense. Give your students a visual model to help reinforce counting, 1-to-1 correspondence, subitizing, base-ten, place value, number patterns, operations and more. Offers hands-on engagement as students place magnetic counters on boards, then raise boards to show their answers. Features double-sided magnetic, write and wipe boards offering a single ten-frame on one side and double ten-frame on the other. Boards measure 7" x 6 1/4".
Reinforce math concepts
Enhance hands-on learning
Build subitizing skills, which allow us to see a grouping of numbers and automatically know the amount without having to count
Teach odds and evens with the two-color magnets
Demonstrate with visual representations
Make learning easier, more playful, and more engaging
Write and wipe magnetic boards
Double-sided board (single ten-frame on one side double ten-frame on the other)
4 magnetic double-sided answer boards
100 two-color magnetic foam countersd (red and yellow)
Activity Guide Recommended activities to do with students
A cross-curricular resource that supplements counting, measuring, and mathematical games. Color plastic cubes make metric measurement and weight activities clear and understandable. A staple for any classroom!
Non-interlocking cubes come in 10 vibrant colors
Uniform size, made of durable plastic
Set of 1,000 cubes
Count and sort by color, shape, size, and pattern with this assortment of attribute buttons. Nine different shapes are included, in varying sizes and colors. Each button has a pattern or shape molding.
1 lb. of Attribute Buttons
| Grades K-3
Get all your students involved in telling time activities. Make telling time a fun activity with these mini-clocks. Movable hands make it easy for students to understand the relationship between hours and minutes.
Movable geared hands
Stand to hold clock upright
Durable plastic to withstand years of use
12 Geared mini-clocks
Perfect for the early learner being introduced to shapes, patterns, and sorting. This desk set strengthens fundamental mathematical skills and develops problem-solving techniques through logic. Blocks come in bright colors and varying shapes and sizes.
Template and plastic storage tray for convenient cleanup
Largest piece 30 cm2
Smallest piece 10 cm2
60 plastic pieces—5 shapes, 3 colors that come in 2 sizes and thicknesses
Template and plastic storage tray for convenient cleanup
Plastic storage tray
Equip the entire class to tell time with this complete set. Have an interactive classroom lesson on Time with this classroom pack. Have students mimic what is on the demo clock or solve time problems on their own.
Synchronized minute and hour hands that maintain minute and hour relationships
Easy-to-read numerals and minute markings
A removable stand
Student-sized for desktop use
Moveable gear hands with easy-to-read numerals and minute markings
1 plastic demo clock measuring 13 ¼" diameter
24 geared mini-clocks (4" diameter) made of durable plastic
Place value chips (disks) are non-proportional models that can be used once students have a solid understanding of our place value system. Colored chips with values imprinted on them allow students to develop strategies based on properties, reinforce traditional algorithms, and build understanding of the meanings of mathematical operations and other topics such as rounding to the nearest.
8 Assorted colors
Marked with values
Values from .01-100
200 Place Value Chips
Equips your entire class to tell time: one Big Time Demonstration Learning Clock!. This finest quality 13 1/4"-diameter plastic Demonstration Clock features synchronized minute and hour hands that maintain correct hour/minute relationships, easy-to-read numerals, hour/minute markings, and a removable stand.
Snap Cubes make connections easy for all math activities!. These 3/4" cubes are ideal for learning and modeling number concepts, exploring the squares and cubes of a number, and solving three-dimensional spatial reasoning tasks. Easy for small hands to connect and twist apart, these plastic cubes come in 10 colors (that match Cuisenaire Rods) and are compatible with all Unifix materials.
Set of 500
| Grades K-6
Enjoy a classroom supply of Relational GeoSolids to study shape, size, volume, and more. Durable plastic polygons make this a hands-on geometry lesson. Incorporate measurement, mass, and spatial awareness into any teaching lesson.
Manipulatives for 30 students
Color-coded footprint to illustrate the connection between two and three dimensions
Variety of hollow spheres, cones, cubes, rectangles, cylinders, pyramids, and polyhedrals
Fill shapes with sand, rice, or dry filler to demonstrate volume and size relationships
Removable stoppers to prevent spills
Correlates to NCTM (National Council of Teachers of Mathematics) Standards of problem solving, communications, reasoning, and more
140 Shapes (10 each of 14 shapes)
1 Storage tote
| Grades K-1
Rekenreks are ideal for building number sense because they provide students with 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. This 100-bead version has ten rows of ten beads each; five red beads and five white beads. This allows students to explore problems involving larger numbers.
25 Student 100-bead rekenrek frames
1 Teacher Demonstration frame
FREE 12-month Virtual Manipulative
Rekenrek 100-Bead Student Frame
25 wooden student frames are included. These high-quality wooden frames are the perfect size for individual student practice. Each measures 9 1/2"x 13" x 2 1/4".
Rekenrek 100-Bead Demonstration Frame
Students will easily follow along when using this large demonstration Rekenrek. Measures 20 1/2"x 5"x 15 3/4"
Rekenrek Virtual Manipulative
Perfect for connecting concrete and visual representation through this digital version. 1-year classroom license is for 1 teacher and up to 30 students. Works on any device.
| Grades 2-5
Challenge students to master number concepts, operations, and shape identification. Each card has a number and a geometric shape, allowing for a wide variety of games similar to War, Memory, and Rummy. Color-coding allows students to visualize how negatives and multiple operations work. 68 cards.
| Grades 2
A daily critical-thinking and problem-solving program!. Resource Manuals for Daily Tantalizers...Math provide teachers with black line masters of 180 critical-thinking activities. Beside each daily activity is a section for the teacher, which includes answers, extension questions, and suggested teaching strategies to direct students or to analyze their work. By Thomas O'Brien. Grades 1-8. Each Resource Manual contains:180 critical thinking activitiesA variety of extension questions, including writing prompts, oral questions, and fun factsCross-reference the activities to an NCTM Standards ChartSuggested teaching strategies
More titles by Thomas O'Brien:
TMdeptId=&prodId=VT4740R">VersaTiles for Critical-Thinking
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