How a Little Oral Review Helps in English
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One Example of How to Use a Little Oral Review in Singapore Math
We also learned pi was the same as 22/7. A shortcut is to check if 7 can go into the diameter evenly. If it can, it is much quicker to multiply the diameter by 22/7 than by 3.14. Over the next few days, at the start of our math lessons, I asked him a few quick questions again. This time, he happily answered that to find the circumference of a circle, which was just the outside not the inside of the circle, he would just take pi times the diameter. He'd try 22/7 first if he could use it, but if not, he'd have to multiply it by 3.14.
How a Little Oral Review Helps a Lot!