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Jeopardy-Decimals

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					 Decimals
  Review of computations on
decimals and ordering decimals
Decimal     Decimal    Decimal        Decimal     Ordering
Addition   Rounding   Subtraction   to Fraction   Decimals


 100        100          100           100         100

 200        200          200           200         200

 300        300          300           300         300

 400        400          400           400         400

 500        500          500           500         500
  Decimal Addition for 100

Find the sum of .54 and .63
  Decimal Addition for 100

Find the sum of .54 and .63

                .54
               +.63
               1.17
  Decimal Addition for 200

Find the sum of 3.68 + 4.53
  Decimal Addition for 200

Find the sum of 3.68 + 4.53

              3.68
             +4.53
              8.21
  Decimal Addition for 300

Find the sum of .86 + 4.9
  Decimal Addition for 300

Find the sum of .86 + 4.9
               .86
             +4.90
              5.76
  Decimal Addition for 400

Find the sum of .25 + 2.5 + 25
  Decimal Addition for 400

Find the sum of .25 + 2.5 + 25

               .25
              2.50
            +25.00
             27.75
Decimal Addition for 500

     Find the sum of
  .04 + 3.9 + 12.4 + 324
Decimal Addition for 500

     Find the sum of
 .043 + 3.9 + 12.4 + 324
           .04
          3.90
         12.40
       +324.00
        340.34
 Decimal Rounding for 100

Round to the nearest tenth
             38.94
 Decimal Rounding for 100

Round to the nearest tenth
             38.94


          38.94 = 38.9
   Decimal Rounding for 200

Round to the nearest whole number
               28.52
   Decimal Rounding for 200

Round to the nearest whole number
               28.52

             28.52 = 29
   Decimal Rounding for 300
Round to the nearest dollar
                $359.55
   Decimal Rounding for 300
Round to the nearest dollar
                $359.55

           $359.55 = $360
Decimal Rounding for 400

Find the sum by rounding
        169.5 + 89.05
Decimal Rounding for 400

Find the sum by rounding
        169.5 + 89.05
    169.50        170
   + 89.05        + 89
                  259
 Decimal Rounding for 500
Find the difference by rounding
        143.90 – 68.39
 Decimal Rounding for 500

Find the difference by rounding
        143.90 – 68.39

    143.90         144
   – 68.39        – 68
                    76
Decimal Subtraction for 100

Find the value of .65 - .38
Decimal Subtraction for 100

Find the value of .65 - .38
               .65
             - .38
               .27
Decimal Subtraction for 200

Find the value of 12.3 – 8.9
Decimal Subtraction for 200

Find the value of 12.3 – 8.9
              12.3
             - 8.9
               3.4
Decimal Subtraction for 300

Find the value of 21.3 – .49
Decimal Subtraction for 300

Find the value of 21.3 – .49
              21.30
             - .49
              20.81
Decimal Subtraction for 400

Find the value of 49 – 2.85
Decimal Subtraction for 400

Find the value of 49 – 2.853
              49.00
             - 2.85
              46.15
Decimal Subtraction for 500

Find the value of 1234 - 8.12
Decimal Subtraction for 500

Find the value of 1234 - 8.12
               1234.00
             -    8.12
               1225.88
Decimal & Fraction for 100
Change this decimal into a fraction

              14
              100
Decimal & Fraction for 100
Change this decimal into a fraction

              14
                    = 0.14
              100
Decimal & Fraction for 200
Change this decimal into a fraction

               9
              10
Decimal & Fraction for 200
Change this decimal into a fraction

               9
                     = 0.9
              10
Decimal & Fraction for 300
Change this decimal into a fraction

               3
              100
Decimal & Fraction for 300
Change this decimal into a fraction

               3
                    = 0.03
              100
Decimal & Fraction for 400
Change this decimal into a fraction


              47
              10
Decimal & Fraction for 400
Change this decimal into a fraction


              47
                     = 4.7
              10
Decimal & Fraction for 500
Change this decimal into a fraction


               7
              25
Decimal & Fraction for 500
Change this decimal into a fraction


           7        28
                =            = .28
          25        100
   Ordering Decimals for 100
Place the following numbers in order from
              least to greatest:
     .26        .7         .13    .5
   Ordering Decimals for 100
Place the following numbers in order from
              least to greatest:
    .26         .70        .13    .50


    .13      .26       .5        .7
Ordering Decimals for 200
     What number belongs at the
          question mark?


                      ?
.2        .3     .4       .5      .6
Ordering Decimals for 200
      What number belongs at the
           question mark?


                       .45
.20        .30   .40         .50   .60
   Ordering Decimals for 300
Place the following numbers in order from
              least to greatest:
    .3        .03      3.1       .33
   Ordering Decimals for 300
Place the following numbers in order from
              least to greatest:
   0.30      0.03      3.10     0.33


    0.03      0.30       0.33     3.10
Ordering Decimals for 400
Which symbol can be filled in for
      the question mark?

          3         30
               ?
         10         100
Ordering Decimals for 400
Which symbol can be filled in for
      the question mark?

          3         30
               =
         10         100

    Because they are equivalent
            fractions!
   Ordering Decimals for 500
Place the following numbers in order from
              least to greatest:
    14/20       .65        .6     .66
   Ordering Decimals for 500
Place the following numbers in order from
              least to greatest:
    14/20       .65        .6     .66
    70/100   65/100   60/100     66/100

   .6        .65       .66      14/20

				
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posted:9/22/2012
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