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Adding and Subtracting Decimals
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48.036 + 890.68
938.716
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What is the value of the 7 in 12345.6789?
7 hundredths, or 7/100
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64.418 + 22.843
87.261
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True or False - You can add zeros before the decimal without changing the value of the number.
FALSE! 50.6 =/= 5.6
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139.630 - 73.335
66.295
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87.327 + 351.620
438.947
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531.17 + 907.28
1438.45
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True or False - When adding and subtracting decimals, line up the digits on the right-hand side of the number.
FALSE! Line up the decimal point, no matter how many places after the decimal each number has.
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911.84 - 803.26
108.58
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What is the value of the 8 in 12345.6789?
8 thousandths, or 8/1000
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What is the value of the 5 in 12345.6789?
5 ones, or 5
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299.94 + 633.12
933.06
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What is the value of the 4 in 12345.6789?
4 tens, or 40
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What is the value of the 9 in 12345.6789?
9 ten-thousandths, or 9/10,000
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59.756 - 36.367
23.389
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435.69 + 258.11
693.80
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True of False - You can add zeros after a decimal without changing the value of the number.
True! 5.6 = 5.60000
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90.643 - 36.427
54.216
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40.724 + 37.629
78.353
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658.61 - 33.394
625.216
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What is the value of the 6 in 12345.6789?
6 tenths, or 6/10
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