Download Addition Made Easy by Rebecca Wingard-Nelson PDF

By Rebecca Wingard-Nelson

ISBN-10: 076602508X

ISBN-13: 9780766025080

E-book via Wingard-Nelson, Rebecca

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45 Further Reading Creative Teaching Press. Addition and Subtraction Facts to 20. : Creative Teaching Press, 2002. Helakoski, Leslie, and Sal Murdocca. The Smushy Bus. : Millbrook Press, 2002. Leedy, Loreen. Mission: Addition. New York: Holiday House, 1999. Moore, Jo E. Addition With Carrying. : Evan-Moor Educational Publishers, 1996. Williams, Rozanne Lanczak. The Coin Counting Book. : Charlesbridge Publishing, 2001. 46 Internet Addresses A+ Math. ” © 1998–2004. com/Flashcards/addition. html> Gamequarium.

674 rounds to 700. estimate—An answer that is not exact; a reasonable guess. 300 ϩ 700 1,000 The estimated sum of 329 and 674 is 1,000. What do you do if the two numbers you are adding have different numbers of digits? Round to the greatest place value of the smaller number. Let’s look at an example. Estimate 921 ϩ 64. The smaller number is 64. The greatest place value of 64 is the tens place, so round both numbers to the tens place. 921 rounded to the tens place is 920. 64 rounded to the tens place is 60.

The digit 7 is greater than 5, so 674 is closer to 700 than to 600. 674 rounds up to 700. Estimate Estimate 329 ϩ 674. 329 rounds to 300. 674 rounds to 700. estimate—An answer that is not exact; a reasonable guess. 300 ϩ 700 1,000 The estimated sum of 329 and 674 is 1,000. What do you do if the two numbers you are adding have different numbers of digits? Round to the greatest place value of the smaller number. Let’s look at an example. Estimate 921 ϩ 64. The smaller number is 64. The greatest place value of 64 is the tens place, so round both numbers to the tens place.

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