Standard Form
Three and eighty-seven hundredths?
3.87
45.6?
Forty-five and six tenths.
4.32
(4 x 1) + (3 x ⅒) + (2 x ¹⁄₁₀₀)
52.6
Tanya needs to write the number twenty-one and twelve thousandths as a decimal on her science lab report. How should she write this in standard form?
21.012
(4 x 100) + (8 x 0.01) + (7 x 1) + (3 x 0.001)?
401.083
308.04?
Three hundred eight and four hundredths.
205.7
(2 x 100) + (5 x 1) + (7 x ⅒)
406.25
(4 x 100) + (6 x 1) + (2 x 0.1) + (5 x 0.01)
Madeleine is helping her teacher measure the amount of water in a large container for a science experiment. The container holds 4.275 liters of water.
How would you write the amount of water in word form?
Four and two hundred seventy-five thousandths liters.
Six hundred forty-two and thirty-five hundredths
642.35
432.075?
Four hundred thirty-two and seventy-five thousandths.
86.539
(8 x 10) + (6 x 1) + (5 x ⅒) + (3 x ¹⁄₁₀₀) + (9 x ¹⁄₁₀₀₀)
731.408
(7 x 100) + (3 x 10) + (1 x 1) + (4 x 0.1) + (8 x 0.001)
A school is preparing for a science fair. One of the students measured 6.304 meters of string for a project.
Write 6.304 in expanded form using decimals.
(6 x 1) + (3 x 0.1) + (4 x 0.001)
0.4 + 70 + 0.006 + 500?
570.406
506.027?
420.681
(4 x 100) + (2 x 10) + (6 x ⅒) + (8 x ¹⁄₁₀₀) + (1 x ¹⁄₁₀₀₀)
905.072
(9 x 100) + (5 x 1) + (7 x 0.01) + (2 x 0.001)
A class is measuring the length of a table for a classroom project. The table is 8.245 meters long.
Write 8.245 in expanded form using fractions.
(8 x 1) + (2 x ⅒) + (4 x ¹⁄₁₀₀) + (5 x ¹⁄₁₀₀₀)
(7 x ¹⁄₁₀₀₀) + (9 x 100) + (9 x ⅒) + (8 x 10)?
980.907
999.999
Nine hundred ninety-nine and nine hundred ninety-nine thousandths.
907.305
(9 x 100) + (7 x 1) + (3 x ⅒) + (5 x ¹⁄₁₀₀₀)
680.509
(6 x 100) + (8 x 10) + (5 x 0.1) + (9 x 0.001)
Two students attempt to write the number 802.73 in another form, as shown.
Keegan: eight hundred two and seventy-three hundredths.
Tabitha: (8 x 100) + (2 x 10) + (7 x ⅒) + (3 x ¹⁄₁₀₀)
Who is correct? Why?
Keegan is correct.
Keegan's number is 802.73, Tabitha's number is 820.73.