decimals

Question 1

Randy has 3.5 cups of flour. He ADDS 2.7 cups of eggs. how much flour and eggs has he put combined

Answer 1

1
3.5
2.7
\+
\_\_\_\_\_\_\_
 6.2

Question 2

parker’s dog weighs 17.36 pounds. next month, he weighed 16.07 pounds. how many pounds did his dog lose?

Answer 2

1.29 pounds

Question 3

what is the main thing you have to remember when adding and subtracting decimals?

Answer 3

LINE EM' UP!
ex:
wrong way:
16.78
2.7                                     
   look at the decimal points
\+
\_\_\_\_\_\_

correct way:

16. 78
17. 70

Question 4

PLACE VALUE

what are the place values of 165.924?

Answer 4

1 = hundreds
6 = tens
5 = ones
.
9 = tenths
2 = hudredths
4 = thousandths

Question 5

jenny is at the store. she wants to buy cupcakes for 3.76$ what is this number rounded to the nearest tenth and whole number?

Answer 5

tenth = 3.80
since the tenth place is 7, we look at the number next to 7 and that is 6. 6 is 5 or more so we round up to 80.

whole number = 4.00
since our whole number is 3, we move to the next number which is 7. 7 is 5 or more so we round up to four (zeros are not necessary)

Question 6

complete the pattern:

7.80, 9.27,___, 14.21

Answer 6

steps to do:
1. take a number in the pattern that has a number right next to it that is smaller

2. subtract that number with the smaller number
3. that is your rule
4. addition:
   take the number next to the blank space and add it with your rule
   subtraction:
   take the number next to the blank space and subtract it with your rule

That is your answer!

answer to the problem: 10.74
rule: +1.47

Question 7

MULTIPLYING AND DIVIDING DECIMALS

Stefany, Marl, and Tiffany went to the fair. Tiffany spent $23.50. Stefany spent 3 times that amount. Marl spent .2 as MUCH as what Stefany spent. How much money did Stefany and marl spend?

HTDI = How To Do It

Answer 7

1. Stefany = $70.50
2. HTDI: multiply 23.50 by 3
3. Marl= $352.50
4. HTDI: divide 70.50 by .2 or 0.2

Question 8

Lily had 7.50. she split the money evenly to her 15 friends. how much did each friend get?

Answer 8

$0.50