# 2.1.1. 3-Digit Numbers

Eight hundred-pound note can be exchanged with notes of ten pounds.

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can be written as .

• A4, 39, 390
• B4, 39, 380
• C3, 38, 380
• D3, 38, 390
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can be written as .

• A50, 500
• B92, 500
• C92, 920
• D50, 920
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, .

• Aseventeen, 170
• Bone, 10
• Cten, 100
• Dthree, 30
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, .

• AThirteen, 160, 100
• BSixteen, 160, 100
• CSixteen, 130, 100
• DThirteen, 130, 100
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, .

• Athree, 300, 400
• Bthree, 200, 300
• Ctwo, 200, 300
• Dtwo, 200, 400
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, .

• A4, 400
• B13, 200
• C2, 200
• D31, 400
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can be written as .

• A5, 1, 300
• B1, 5, 500
• C5, 1, 500
• D1, 5, 300
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Complete the pattern .

• A52, 54
• B52, 53
• C53, 55
• D53, 54
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Complete the pattern .

• A32, 33
• B34, 36
• C33, 35
• D33, 36
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Complete the following pattern: .

• A70, 10
• B100, 40
• C70, 20
• D80, 20
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Complete the following pattern: .

• A80, 60
• B80, 50
• C50, 40
• D60, 80
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Find the numbers between 352 and 362.

• A353, 354, 355, 356, 357, 358, 359, 360, 361
• B353, 355, 357, 359, 361
• C353, 354, 355, 356, 357, 358,359, 362, 361
• D353, 354, 355, 356, 358, 359, 360, 361
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The numbers between 600 and 610 are .

• A
• B
• C
• D
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Complete the following pattern: .

• A675, 674, 673, 672, 671
• B675, 674, 673, 670, 671
• C674, 673, 672, 671, 670
• D675, 674, 672, 671
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Complete the following pattern: .

• A111, 112, 113, 116, 115
• B111, 112, 114, 115
• C112, 113, 114, 115, 116
• D111, 112, 113, 114, 115
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Complete the table below.

Number+1+10+100
888889898988
867

• A868, 877, 967
• B868, 876, 967
• C868, 878, 978
• D867, 877, 967
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Determine the number that is smaller than 508 by 5.

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Determine the number that is greater than 681 by 10.

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Complete tens hundreds.

• A80, 80
• B80, 8
• C80, 800
• D8, 80
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Complete the following: , , .

• A2, 20, 200
• B7, 70, 700
• C5, 50, 500
• D6, 60, 600
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Use , , or to complete the following: tenshundreds.

• A
• B
• C
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Complete the following using digits: three hundreds 200.

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Complete the following using , , or : .

• A
• B
• C
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Complete the following using , , or : 70050 tens.

• A
• B
• C
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Complete the missing values in the figure below from the left to the right.

• A600, 400, 100
• B600, 400, 200
• C600, 400, 0
• D600, 100, 200
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Perform the operations in the figure shown going with the direction of the arrows.

• A200, 700, 800
• B200, 600, 900
• C200, 700, 700
• D200, 700, 900
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Determine the number that is less than by .

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A student likes collecting stamps. If he collected 300 stamps in the first year and 200 ones in the second, how many stamps did he collect in both years?

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