Horizons Math Sampler - Odyssey Academy

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Worksheet 24 1 Find the missing number. Tell what mathematics operation you used on both sides of the equation to find the missing number. N ÷ 5 = 7 __________________________________ Multiply both sides by 5 N = _______ 35 N ÷ 2 = 4 __________________________________ Multiply both sides by 2 N = _______ 8 N ÷ 2 = 9 __________________________________ N = _______ N ÷ 9 = 7 __________________________________ N = _______ N ÷ 4 = 8 __________________________________ N = _______ N ÷ 4 = 6 __________________________________ N = _______ N ÷ 7 = 8 __________________________________ N = _______ N ÷ 7 = 7 __________________________________ N = _______ N ÷ 9 = 4 __________________________________ N = _______ N ÷ 8 = 9 __________________________________ N = _______ N ÷ 4 = 7 __________________________________ N = _______ N ÷ 3 = 9 __________________________________ N = _______ N ÷ 6 = 6 __________________________________ N = _______ 52
Lesson 45 <strong>Horizons</strong> <strong>Math</strong> 5 SAMPLE Concepts: Two- and three-digit quotient division, division of money, three-digit multiplication, two- and three-digit subtraction, place value, multiple operations Objectives: 1. The student will be able to complete division problems which contain three-digit quotients with remainders. 2. The student will be able to complete multiplication problems which contain a threedigit multiplier and a one-digit multiplicand. 3. The student will be able to divide money. 4. The student will be able to complete division problems which contain a two-digit quotient with remainders. 5. The student will be able to complete two- and three-digit subtraction problems. 6. The student will be able to identify place value through the billions. 7. The student will be able to complete problems which require the use of more than one operation to solve. Teaching Tips: By this time, students should have a basic understanding of the division process and all the steps involved in solving a division problem. Stress that solving a larger division problem simply means that the same division steps (Divide, Multiply, Subtract, Check, Bring Down) used in smaller problems, will be repeated in the larger problem. Tips Materials, Supplies, and Equipment: 1. Graph paper or lined paper 2. Calculator (for multiplication steps and checking ONLY) Activities: 1. Remind the students of the steps involved in a division problem (Divide, Multiply, Subtract, Check, Bring Down). Have them repeat the class acronym if needed. 2. Complete the following problems together for review: 212 ÷ 3 =, 302 ÷ 5 = and 363 ÷ 4 = (Answers: 70 r 2, 60 r 3, and 90 r 3). You may wish to have the students play “teacher”. Pick a different student to complete each problem. The student must come to the board, work the problem, and explain each step as he completes the problem, just like the teacher would. If the student has difficulty with any portion of the division problem, he may stop at any point and have another student complete the task. 3. Read Lesson 45 Explanation together. Work through the sample problem and discuss each step. 4. Use the following problems as additional practice problems, if needed: 2,825 ÷ 3 = 2,457 ÷ 6 = and 2,560 ÷ 4 = (Answers: 941 r 2, 409 r 3, and 640). 5. The student should be able to complete Lesson 45 Practice independently. Allow them to use graph paper or lined paper, if necessary, to keep all columns straight. Also allow the students to use calculators for checking and difficult multiplication problems, but not for calculating answers without showing work. Aa Bb Cc 2 2 4 God opposes the proud but gives grace to the humble. Proverbs 3:34 Editor’s Note: Worksheets may be used or repeated in any lesson after they are first suggested. Worksheet 24 was suggested in Lesson 44 and has been carried forward to this sample lesson. 53
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Math Sampler
Page 3 and 4: Math Sampler Contents What Makes Ho
Page 5 and 6: What Makes the Horizons Math Teache
Page 7 and 8: GRADE 1 GRADE 2 • Counting by 1
Page 9 and 10: GRADE 5 GRADE 6 • Number theory t
Page 11 and 12: Six-Step Horizons Math Concept Deve
Page 13 and 14: Sample page from Horizons Math 4 5
Page 15 and 16: Horizons Math Framework In the earl
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Page 21 and 22: Lesson 45 Horizons Math K SAMPLE 1
Page 23 and 24: Worksheet 15 Horizons Math K SAMPLE
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Page 27 and 28: 1 Lesson 45 ADDITION - THREE NUMBER
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Page 45 and 46: Horizons Math 4 SAMPLE Prime Number
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Horizons Math Sampler - Odyssey Academy

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