5th Grade Math Home > Teacher Resources > Daily Dilemmas > Answer Key #15

Daily Dilemma #15: Answer Key

 

  1. $.12 / mi • 1256 mi = $150.72 mileage
    $12.00 / day • 14 days = $168 daily cost for 2 weeks
    total cost = $150.72 + $168 = $318.72

  2.
morning
1
2
3
4
5
6
no. of pioneers
1
6
11
16
21
26

morning
7
8
9
10
11
12
no. of pioneers
31
36
41
46
51
56


On the 12th morning, there were 56 pioneers.

Rule: no. of pioneers = 5 • no. of mornings – 4

  1. a) longest: anvil
    b) shortest: saw
    c) same length: scythe and ax
    d) lengths can be compared by comparing the ones place and the decimal places

  2. The perimeter of Ryan’s floor is 10 + 7 + 10 + 7 = 34 ft.
    So, Ryan has just enough trim.

  3. Longest time: Hope
    Third: Faith

    4.

Extra Credit: Together, the Morris, Jones, Baker, Brown, and Welch wagons have
5 • 5 = 25 chickens. This is half of the total number of chickens.
So, there are 25 • 2 = 50 chickens

5th Grade Math Home > Teacher Resources > Daily Dilemmas > Answer Key #15