Place Value And Forms Of Numbers (Page 4 of 4) in pdf

Place Value And Forms Of Numbers Page 4

Adding and Subtracting Whole Numbers:

 If a problem is written horizontally, you should rewrite it vertically – lining up the

numbers beginning with the ones place.

 Be sure to regroup properly. In subtraction – be sure to visit your neighbors carefully!

 Subtraction example:

Practice problems:

18.)

4,524,983

19.) 400,307

+ 3,210,930

- 182,176

Problem Solving – Draw a Diagram was the focused strategy

Steps for problem solving:

 Step 1: Understand the problem – read the problem carefully to be sure you know what

information was given and what you need to figure out. You may highlight or underline

important information and the question.

 Step 2: Plan – Think about a strategy that you can use to solve the problem. You may

draw a diagram, extend a pattern, make a table, or think about tools we’ve used.

 Step 3: Solve – Follow through with your plan to come up with a solution. Be careful to

copy numbers accurately and do calculations carefully.

 Step 4: Look Back – Think about you answer to see that it makes sense. Be sure you have

labeled your answer.

Practice problem:

20.) Diane lives 12 blocks west of Gloria. Gloria lives 1 block north of Jessica. Jessica

lives 11 blocks east of Kim. How far is it from Kim’s house to Diane’s house?

Place Value And Forms Of Numbers Page 4