Download Addition and Subtraction (Math Success) by Lucille Caron PDF

By Lucille Caron

Booklet by way of Caron, Lucille, St Jacques, Philip M.

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Extra resources for Addition and Subtraction (Math Success)

Sample text

More Problem Solving You have to make decisions every day. Deciding what you are going to wear or how much of your allowance you will spend each week is decision making. There are many ways to solve a problem. Understanding a problem is the first step. The following steps are used to solve problems: 1. Find out what the problem asks for. 2. Choose a method, such as making an organized list, to solve the problem. 3. Find the answer to the problem. 4. Check the answer to see if it is reasonable. Suppose you collect baseball cards and you have a total of 38 cards in your collection.

Find the difference in the seating capacity of the two stadiums. Subtract 79,646 Ϫ 79,151 Step 1: Arrange the numbers underneath each other. 7 9 , 6 4 6 Ϫ7 9 , 1 5 1 Step 2: Subtract ones. 7 9 , 6 4 6 Ϫ7 9 , 1 5 1 5 Step 3: To subtract tens, regroup 1 hundred for 10 tens (10 ϩ 4 ϭ 14 tens). 7 9 , 6 4 6 Ϫ7 9 , 1 5 1 9 5 Step 4: Subtract hundreds. 7 9 , 6 4 6 Ϫ7 9 , 1 5 1 4 9 5 Step 5: Subtract thousands (9 Ϫ 9 ϭ 0). 7 9 , 6 4 6 Ϫ7 9 , 1 5 1 4 9 5 5 14 5 14 5 14 Step 6: Subtract ten thousands (7 Ϫ 7 ϭ 0).

A cent is a hundredth of a dollar. 54 Monetary values are subtracted like other decimals. 55 Step 1: Write the amounts over each other so that the decimal points line up. $ 2 4 . 8 0 Ϫ$ 1 0 . 5 5 Step 2: Regroup tenths (1 tenth ϭ 10 hundredths). Subtract hundredths. $ 2 4 . 8 0 Ϫ$ 1 0 . 5 5 5 Step 3: Subtract tenths. Place the decimal point in the difference. $ 2 4 . 8 0 Ϫ$ 1 0 . 5 5 . 2 5 Step 4: Subtract ones. Subtract tens. Place the dollar sign in the difference. $ 2 4 . 8 0 Ϫ$ 1 0 . 5 5 $ 1 4 .

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