Quarter 1 Test 3 Review X. Mental Math: Multiplying & Dividing with Whole Numbers with Whole Numbers...
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Transcript of Quarter 1 Test 3 Review X. Mental Math: Multiplying & Dividing with Whole Numbers with Whole Numbers...
![Page 1: Quarter 1 Test 3 Review X. Mental Math: Multiplying & Dividing with Whole Numbers with Whole Numbers XI. Mental Math: Multiplying & Dividing with Decimals.](https://reader033.fdocuments.net/reader033/viewer/2022050819/56649ea95503460f94bad98c/html5/thumbnails/1.jpg)
Quarter 1 Quarter 1 Test 3 ReviewTest 3 Review
X. Mental Math: Multiplying & DividingX. Mental Math: Multiplying & Dividing
with Whole Numberswith Whole Numbers
XI. Mental Math: Multiplying & DividingXI. Mental Math: Multiplying & Dividing
with Decimalswith Decimals
XII. Scientific NotationXII. Scientific Notation
XIII. Multiplication of Whole Numbers XIII. Multiplication of Whole Numbers
and Decimalsand Decimals
![Page 2: Quarter 1 Test 3 Review X. Mental Math: Multiplying & Dividing with Whole Numbers with Whole Numbers XI. Mental Math: Multiplying & Dividing with Decimals.](https://reader033.fdocuments.net/reader033/viewer/2022050819/56649ea95503460f94bad98c/html5/thumbnails/2.jpg)
Answers: 1) 235,000,000 2) 7,020,000,000,000,000 3) 4,000,100,000
Write in standard form: Write in standard form: 1) 2.35 x 101) 2.35 x 1088==2) 7.02 x 102) 7.02 x 1015 15 ==3) 4.0001 x 103) 4.0001 x 1099 = =
![Page 3: Quarter 1 Test 3 Review X. Mental Math: Multiplying & Dividing with Whole Numbers with Whole Numbers XI. Mental Math: Multiplying & Dividing with Decimals.](https://reader033.fdocuments.net/reader033/viewer/2022050819/56649ea95503460f94bad98c/html5/thumbnails/3.jpg)
Multiply or divide mentally.Multiply or divide mentally.1) 300 x 400 = 2) 72,000 ÷ 80 =1) 300 x 400 = 2) 72,000 ÷ 80 =3) 50 x 6,000 = 4) 120,000 ÷ 600 =3) 50 x 6,000 = 4) 120,000 ÷ 600 =5) 60 x 900 = 6) 540,000 ÷ 9,000 =5) 60 x 900 = 6) 540,000 ÷ 9,000 =7) 110 x 70 = 8) 36,000 ÷ 40 =7) 110 x 70 = 8) 36,000 ÷ 40 =9) 300 x 500 = 10) 3000 ÷ 150 =9) 300 x 500 = 10) 3000 ÷ 150 =
Answer: 1) 120,000 2) 900Answer: 1) 120,000 2) 900
3) 300,000 4) 2003) 300,000 4) 200
5) 54,000 6) 605) 54,000 6) 60
7) 7700 8) 9007) 7700 8) 900
9) 150,000 10) 209) 150,000 10) 20
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Write the missing number.Write the missing number.1) 23.3 ÷ ________ = .0233 1) 23.3 ÷ ________ = .0233 2) 5.4 × ______ = 540 2) 5.4 × ______ = 540 3) _________ ÷ 100 = .3423) _________ ÷ 100 = .3424) ________ × 1000 = 7404) ________ × 1000 = 740
Answers: 1) 1000 2) 100 3) 34.2 4) .74Answers: 1) 1000 2) 100 3) 34.2 4) .74
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Multiply or divide mentally.Multiply or divide mentally.
1) 56.28 x100 = 2) 3.6 ÷10 =1) 56.28 x100 = 2) 3.6 ÷10 = 3) .39 x1000 = 4) 23 ÷ 100 = 3) .39 x1000 = 4) 23 ÷ 100 = 5) .123 x100 = 6) 89 ÷ 1000 = 5) .123 x100 = 6) 89 ÷ 1000 =
Answers: 1) 5,628 2) .36 3) 390Answers: 1) 5,628 2) .36 3) 390
4) .23 5) 12.3 6) .0894) .23 5) 12.3 6) .089
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Multiply: 1) 538 x 72 =Multiply: 1) 538 x 72 = 2) 6,865 x 146 = 2) 6,865 x 146 = 3) 3,429 x 279 = 3) 3,429 x 279 =
Answers: 1) 38,736Answers: 1) 38,736
2) 1,002,2902) 1,002,290
3) 956,6913) 956,691
![Page 7: Quarter 1 Test 3 Review X. Mental Math: Multiplying & Dividing with Whole Numbers with Whole Numbers XI. Mental Math: Multiplying & Dividing with Decimals.](https://reader033.fdocuments.net/reader033/viewer/2022050819/56649ea95503460f94bad98c/html5/thumbnails/7.jpg)
Answers: 1) .00336 2) 874.038 3) .38868Answers: 1) .00336 2) 874.038 3) .38868
4) .0032254) .003225
Multiply:Multiply:1) 1.68 x .002 =1) 1.68 x .002 =
2) 418.2 x 2.09 =2) 418.2 x 2.09 =3) .474 x .82 =3) .474 x .82 =
4) 2.15 x .0015 =4) 2.15 x .0015 =
![Page 8: Quarter 1 Test 3 Review X. Mental Math: Multiplying & Dividing with Whole Numbers with Whole Numbers XI. Mental Math: Multiplying & Dividing with Decimals.](https://reader033.fdocuments.net/reader033/viewer/2022050819/56649ea95503460f94bad98c/html5/thumbnails/8.jpg)
Answers: 1) 1.2 x 10Answers: 1) 1.2 x 1010 10
2) 6.04 x 102) 6.04 x 108 8
3) 2.3009 x 103) 2.3009 x 101212
Write in scientific notation:Write in scientific notation:1) 12,000,000,0001) 12,000,000,0002) 604,000,0002) 604,000,0003) 2,300,900,000,0003) 2,300,900,000,000
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Give the base:Give the base: 1) ___ 1) ___22 = 6400 2) ___ = 6400 2) ___33 = 125,000 = 125,000
3) ___ 3) ___44 = 160,000 4) ____ = 160,000 4) ____ 3 3 = 27,000,000= 27,000,000
Answers: 1) 80 2) 50 3) 20 4) 300Answers: 1) 80 2) 50 3) 20 4) 300
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Multiply: 1) 593 x 406 =Multiply: 1) 593 x 406 = 2) 327 x 250 = 2) 327 x 250 = 3) 807 x 540 = 3) 807 x 540 =
Answers: 1) 240,758Answers: 1) 240,758
2) 81,7502) 81,750
3) 435,7803) 435,780