By MACMILLAN

ISBN-10: 0078782090

ISBN-13: 9780078782091

The middle approaches of arithmetic

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Extra info for California Math Triumphs Volume 4a: The Core Processes of Mathematics

Example text

Guess and check. Act it out. Solve. 6 MONEY Ronni had 10 dollars. She earned 3 more dollars. Nick had 13 dollars. Then Ronni and Nick earned 4 dollars each. Do Ronni and Nick have the same amount of money now? Understand ✓ Solve a simpler problem. Work backward. Read the problem. Write what you know. + Ronni has Nick has dollars. dollars. Each earned dollars more. Pick a strategy. One strategy is to solve a simpler problem. Find the total dollars for each. Solve Solve the equation for Ronni’s money.

Copyright © by The McGraw-Hill Companies, Inc. 40 Chapter 2 Math Fundamentals Lukasseck/Masterfile STEP 1 Quiz 2 Preview STEP Are you ready for Chapter 2? com to find out. Get ready for Chapter 2. Review these skills and compare them with what you’ll learn in this chapter. What You Know What You Will Learn You know how to multiply. Lesson 2-1 Examples: 7 × 4 = 28 4 × 7 = 28 TRY IT! 1 5×5= 2 10 · 10 = 3 7 × 12 = 4 2 · 24 = 7 · 4 = 28 ← The answer is the same. 4 · 7 = 28 ← You know how to add. Examples: 4+3+2=9 2+3+4=9 Copyright © by The McGraw-Hill Companies, Inc.

11–17) Example 2 CARDS Tabitha is playing a game. She must place 3 rows of 6 cards each facedown. How many total cards did Tabatha place facedown? You are asked how many placed facedown. Write a number of rows 10 Copyright © by The McGraw-Hill Companies, Inc. 11 ART Tia bought 4 prints at the art show for \$6 each. What was the total bill for the art she bought? NUTRITION A mini-bagel box contains 3 bagels. The total number of Calories in the entire box of bagels is 360. How many Calories are in each bagel?