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Using Number Line

Mathematics, Grade 1

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Study Guide Using Number Line Mathematics, Grade 1

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USING A NUMBER LINE What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. How to Use a Number Line for an Addition Problem: When using a number line for an addition problem, start by putting your finger on the first number of the problem. 4 + 2 = 0—1—2—3— 4—5—6—7—8—9—10 The second number of the problem will tell you how many jumps to make. For addition, you will move to the right so the numbers get larger. Be sure not to count the number you started on. The number line is kind of like a board game. You only count the number of moves. 4 + 2 = 0—1—2—3—4—5— 6—7—8—9—10 The number you land on is your answer. 4 + 2 = 6 How to Use a Number Line for a Subtraction Problem: When using a number line for subtraction, you will move to the left. The numbers should get smaller. 4 3 = 0—1—2—3— 4—5—6—7—8—9—10 0— 1—2—3—4—5—6—7—8—9—10 4 3 = 1 © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Try this! Use the number line to add or subtract these numbers. 0—1—2—3—4—5—6—7—8—9—10—11—12—13—14—15—16—17—18— 3 + 7 = ______ 10 4 = _____ 5 + 6 = ______ 14 8 = _____ 8 + 4 = ______ 16 9 = _____ © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.