Measurement

3 years & up. Helps develop mathematical skills through discovery play as children move the monkeys around to keep the tree balanced. Includes one tree and 6 monkeys.

12 months & up. With two buckets to fill with colorful blocks, this scale introduces toddlers to weight, gravity, balance, and critical thinking. Each of the six colorful shapes are equal weights. When the weight balances, the eyes open. The eyes close when the scale is off balance. Kids will delight in watching the eyes open and close as they move the shapes in and out of the buckets. For added enjoyment, there is a mirror on the reverse side.

18 months & up. Introduce early math concepts, such as counting, problem-solving, sequencing, comparing, and classifying, while exercising fine motor skills with these brightly colored puzzles. Children will enjoy lining up these easy to grip familiar farm puzzle pieces from smallest to largest. Use the Size and Sequence Farm Puzzle in a lesson about animals or crops found on a farm. Encourage children to identify objects and colors as they solve this set of self-correcting puzzles.

This colorful growth chart allows children to keep track of their growth and see how tall they are while encouraging them to feel a sense of pride and esteem. The colorful presence of the chart makes it the perfect addition to any classroom wall decor for the entirety of the year. Sturdy and protected classroom chart is generously sized at 4'H x 8 1/2"W.

3 years & up. The Big Tape is just like a carpenter's, except that it is child-friendly. Measure everything in centimeters or inches using this retractable tape measure. Big and chuncky and easy for little hands to use and understand size relationships. Tape measures 36"/ 100 cm long.

6 years & up. All the materials you need to teach concepts of length, volume, mass, time, and temperature. Includes both customary and metric units. Includes: Customary/Metric Measuring Spoons (Set of 5), Customary/Metric Measuring Cups (Set of 5), Transparent Rulers (Set of 10), Hexagram® Weights (Set of 54), Demonstration Thermometer, Student Thermometers (Set of 10), Liquid Measures (Set of 3), Platform Scale, 3 m/10? Retractable Measuring Tape, Customary/Metric Tape Measures (Set of… More »

12" Wooden Rulers with standard inch measurements.

4 years & up. Tick Tock, it's time to tell time! Demonstrate and practice time-telling concepts with this ideal classroom pack. These clocks feature 2 movable hands, 1 little and 1 big. Sized perfectly for smaller hands and fostering unique hands-on learning. Set includes one Original Judy Clock, 24 Original Mini-Clocks, and one Teaching Guide.

4 years & up. The Original Judy Clock provides a simple and fun learning tool for telling time featuring moveable hands, visible functioning gears, and an elapsed time bezel. Visible functioning gears maintain correct hour hand and minute hand relationships. Use this clock as a resource to introduce children to concepts of time, motion, and cause/effect. Clock comes permanently assembled. Includes a teacher's guide. Clock measures 12.75" diameter x 13.5" H.

4 years & up. Use these best-selling clocks to teach time to the hour, half-hour, quarter-hour, and minute. Child friendly and easy to use. Perfect for learning centers or for small group instruction. Each clock features moveable plastic hands mounted on a sturdy wooden base. Individual stands are included. A great companion to the Original Judy Clock (sold separately).

3 years & up. These exciting Activity Cards are an ideal way to encourage children to match, count, compare, order and measure the bones they discover in the Dinosaur Bones set (sold separately). The 8" x 11" Activity Cards are made from durable PVC and can be used outdoors. The 16-piece Dinosaur Bone set can be buried in the sand, soil, or water, and they will appeal to children's instincts to explore, investigate, sort, compare and measure. Buy separately or as a set.

4 years & up. Introduce mass comparison with this simple see-saw balance made of 2- piece molded plastic. A visually engaging and tactile way to introduce mass and measurement. Includes 10 weight-related Three Bear Counters and a multilingual activity guide. Balance arm snaps into place, and sliding compensator clips calibrate for easy use. Measures 15 3/4" x 4" x 4 1/4".

This deluxe set is the perfect size for any classroom learning measurement equivalents. Made of durable plastic, each piece is clearly marked to provide years of use. Ideal staple item to have available in any science class. Set consists of 17 pieces including liquid measuring cups, spoons, jars and a teachers guide.

3 years & up. Sturdy, accurate balance features removable, transparent 1/2-liter buckets for comparing liquids or solids. One gram sensitivity.

3 years & up. Teach weight, measurement and grams with this strong, durable, plastic balance! The scale features detachable buckets with sliding compensators for zero adjustments. This scale is sized perfectly for classroom use or at home. Includes five each of 5 gram and 10 gram Hexagram® weights. 24.5"L x 8.5"W x 14"H.

Grades 2 & up. This easy-to-read balance has two 500ml colored buckets for balancing and weighing a variety of liquid or solid materials. This durable and economical balance has a capacity of 2000g, is readable to 1g and has an easy-to-use sliding zero adjustment. Includes 2 lids for easy conversion to a pan balance. Contents not included

Grades 1 - 3. Students learn the importance of money recognition, adding, and making correct change through interactive play. Students can set prices, buy and sell items, and learn the value of money. Includes calculator, game pieces, 40 play bills, and 100 coins. For 2-4 players.

4 years & up. 2 to 4 players can learn visual estimation, size perception, measuring skills, matching skills and use the custom ruler to find out if their character is the tallest. With 30 different pieces to choose from you can create a different character every time you play.

Grades 3 & up. All-purpose balance provides accurate measurement of capacities to 2000g (readable to 1g). Molded from high-impact styrene, this durable unit features a zero adjust knob and two removable 10 cm square pans. Includes 8-piece brass mass set: 50 gram, 20 gram, 10 gram, 2 x 5 gram, 2 x 2 gram, and 1 gram weights and Activity Guide.

PreK & up. Develop calendar skills with this BIG laminated flip chart with spiral binding on top. It features 25 delightful songs set to favorite tunes that help children learn the days of the week, months of the year, seasons and more. Introduce poems for each month and great to use during circle time and perfect for shared reading.

5 - 13 years. Twist and roll this UltraFlex™ 12" / 30 cm ruler to measure curved and angular surfaces accurately. SAFE-T® Plastic will not break or shatter under normal classroom conditions. Features both U.S. customary and metric scales. Transparency lets students see what they're measuring. Ruler regains its flat shape when not in use. Colors vary.

Grades K & up. You can twist and roll these rulers but they will always turn back to their flat shape. Great for measuring curved surfaces. Includes five 12" (30cm.) rulers. Colors may vary.

Grades 1 & up. Ideal tools to explore shapes, sizes and the relationships between area and volume. Explore and compare volume using any wet or dry material. Removable base and stopper for easy filling. Set includes 15 pieces.

These quality, tear-resistant, fiberglass tape measures are calibrated vertically in cm . The other side is calibrated horizontally in inches. 150 cm/60". Set of 10.