Mental Math to Evaluate Products

Try to find the products using mental math. Multiply 11 times 100 in your head. .... To view the Explore More answers, open this PDF file and look for...

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of zeros or shifting a decimal point. They might possibly need ... writing a 0 in front; e.g. 1 × 9 would be written as 09. Then multiply the tens digit by one higher and write that product down in front. Example: 1. 87 × 83 = 21. (7 × 3 = 21). 2.

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