소수의 자릿값 단원 종합

M.1Write the place of the underlined digit: tenths, hundredths, or thousandths.

1. 1
   $72.30\underline{1}$ 
2. 2
   $88.\underline{1}42$ 

M.2Write the value of the underlined digit as a decimal.

1. 3
   $23.\underline{4}7$ 
2. 4
   $68.4\underline{5}1$ 

M.3Write each number in the form asked for.

1. 5
   Write in expanded form: $45.422$
2. 6
   Write in expanded form: $72.451$

M.4Write each decimal in the form asked for.

1. 7
   Write as a decimal: fifteen and three tenths

M.4Write each decimal in the form asked for. (continued)

1. 8
   Write in words: $7.642$

M.5M.6Write >, <, or = in each circle.

1. 9
   $17.434$$17.513$
2. 10
   $2.65$$2.87$
3. 11
   $0.4$$\frac{2}{5}$
4. 12
   $\frac{13}{50}$$0.28$

M.7Write the numbers in the order shown.

1. 13
   Least to greatest: $9.203$; $9.3$; $9.232$; $9.02$
2. 14
   Least to greatest: $3.06$; $3.646$; $3.604$; $3.6$

M.8Round each number.

1. 15
   Round $20.2$ to the nearest whole number.

M.8Round each number. (continued)

1. 16
   Round $80.4$ to the nearest whole number.

M.9Write each fraction as a decimal.

1. 17
   $\frac{9}{10}=$ 
2. 18
   $\frac{93}{100}=$ 

M.10Write each decimal as a fraction in simplest form.

1. 19
   $0.5=$ 
2. 20
   $0.8=$ 

M.11Write each fraction as a decimal, or each decimal as a fraction in simplest form.

1. 21
   $0.98=$ 
2. 22
   $0.25=$ 

M.1Decimal Place Names

1. 1thousandths
2. 2tenths

M.2Value of a Decimal Digit

1. 30.4
2. 40.05

M.3Decimals in Expanded Form

1. 5$40+5+0.4+0.02+0.002$
2. 6$70+2+0.4+0.05+0.001$

M.4Read & Write Decimals

1. 715.3
2. 8seven and six hundred forty-two thousandths

M.5M.6Write >, <, or = in each circle.

1. 9<
2. 10<
3. 11=
4. 12<

M.7Order Decimals

1. 13$9.02$ < $9.203$ < $9.232$ < $9.3$
2. 14$3.06$ < $3.6$ < $3.604$ < $3.646$

M.8Round Decimals to the Nearest Whole Number

1. 1520
2. 1680

M.9Tenths & Hundredths as Decimals

1. 17$0.9$
2. 18$0.93$

M.10Decimals as Fractions

1. 19$\frac{1}{2}$
2. 20$\frac{4}{5}$

M.11Fractions & Decimals

1. 21$\frac{49}{50}$
2. 22$\frac{1}{4}$