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。
Visualizing Whole Numbers up to Hundred Millions
This activity is intended for 5th graders.
Times Tables - level red
Math times tables
Subtracting Mixed Numbers
Subtracting fractions and mixed numbers including regrouping
Subtracting Integers
Subtracting integers
Spanish Numbers 100-Millions: Game Quiz
Match the digit numbers with their word forms.
Skybridge Multiplication
2 digits multipication1. 请点击带有正确答案的气球。2. 限时每题各4秒内回答题目。
Simplifying Fractions Bingo
Find the simplest form of the fraction in the question and place a mark on your Bingo board.
Rounding
Round each number
Roman Numerals
You'll learn how to write numbers as Roman numerals as well as write Roman numerals back into standard numerals.