Number Spellings 11 - 20
Spell the numbers by clicking on the letters below.
Match an Integer to Its Opposite
Matching integers and their opposites
Calculating Pay
Hourly Pay, Salary, Other Pay Plans, Average Pay, Commission
Fewest Coins (Yellow)
Exchanging quarters, dimes, nickels, and pennies for the fewest coins possible at the mid level of differentiation
Metric Conversion Practice
Convert one unit to another unit using the metric system.
加加看 : 添加分数 (Adding Fractions)
把2个涉及至10的同分母分数相加得到他们的和数。