Counting Board vs Number Rack, by MLC

Over 900,000 downloads. Kids just love it. This is a colorful teaching tool for your kids to learn the basic of numbers. It suitable for age from 2 to 4. Features: 1. Teach your children to count from 1 to 100 by tapping the numbers one by one and read it loudly. Automatic pronounce function included. 2. Learn add method: e.g. Learn 5 + 2 = 7. First tap 5, and then tap next 2 blocks, count the blocks from 1 to 2 while tapping. The answer will be 7. 3. Learn minus method: e.g. 16 - 4 = 5, First tap 16, and then tap previous 4 blocks, count the blocks from 1 to 4 while taping, The answer will be 11 4. Let your kids to use their imagination to draw a picture.

Number Rack facilitates the natural development of children’s number sense. The movable, colored beads encourage learners to think in groups of fives and tens, helping them to explore and discover a variety of addition and subtraction strategies. This virtual version of the manipulative is an open-ended educational tool, ideal for elementary classrooms and other learning environments. FEATURES • Display 1 to 10 rows of beads, 10 beads per row. • Hide beads with resizable covers, which allows teachers or learners to model subtraction or difference problems. • Reverse the colors of rows 6 to 10 to distinguish (or not) groupings of 25 beads. • Use the drawing tools to annotate work and show understanding. • Add equations, expressions, and descriptions with the math text and writing tools. • Share work by saving an image or providing a share code to others. Great for creating the initial setup of an activity, then sharing it with students so they can explore it further.