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Convert Between Standard and Expanded Form for Whole Numbers
Worksheet
Grade Level
Grade 5
5.13 Convert Between Standard and Expanded Form for Whole Numbers
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Select the statement that correctly writes 18,300,900 in expanded form and justifies it.
A
18,300,900 = 10,000,000 + 8,000,000 + 300,000 + 600. The 9 in the hundreds place is worth 900. Rounding to the nearest ten-millions gives 20,000,000, so the sum should be close to 20,000,000.
B
18,300,900 = 10,000,000 + 8,000,000 + 300,000 + 40,000 + 900. The 1 in the ten-millions place is worth 10,000,000. Rounding to the nearest ten-millions gives 20,000,000, so the sum should be close to 20,000,000.
C
18,300,900 = 10,000,000 + 8,000,000 + 300,000 + 900. The 8 in the millions place is worth 8,000,000. Rounding to the nearest ten-millions gives 20,000,000, so the sum should be close to 20,000,000.
D
18,300,900 = 10,000,000 + 8,000,000 + 300,000 + 10,000 + 900. The 9 in the hundreds place is worth 900. Rounding to the nearest ten-millions gives 20,000,000, so the sum should be close to 20,000,000.
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