5, 6, 7 or 8 years old
If you want to learn what Wang's specially designed Child-size abacus is, click HERE.
If you want to learn how to use Wang's abacus, click HERE.
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Explore the Secrets of Math Level 1 Book 1
Level 1 can be used for 1st or 2nd graders. It can turn your students’ addition and subtraction skills around through using the abacus (included). Students will also learn algebraic thinking and word problem solving skills through fun cartoons. For example, three whales are chasing one squid. How many more whales are there than the octopus? (From Explore the Secrets of Math Level 1 Book 1 P 2-31) The answer is 3 – 0 = 3.