Adding
4.85+2.467
7.317
8.873-4.72
4.153
-5X7
-35
-180/-9
20
When adding integers what do you need to look for first?
Same or different signs
-4+-24
-28
11.6-(-3.7)
15.3
-6X4.2
-25.2
-36/6
-6
Name two tricks for subtracting integers.
eyeglasses and double negative
-17+8
-9
-21-(-4)
-17
7X-4.5
-31.5
9 divided by -2.5
-3.6
Trick for multiplying and dividing integers
Micky mouse ears
Mr. Woods drove 982.08 miles in January. He drove 745.6 miles in February. How many miles did Mr. Woods drive during those two months?
1,727.68
Last month, Brandon rode his bike 56.28 miles and Randy rode his bike 47.93 miles. How much further did Brandon ride his bike last month than Randy?
8.35
Mrs. Weaver’s backyard is 115.4 square yards. Her neighbor’s backyard is 1.6 times as large as hers? What is the size of the neighbor's back yard?
184.64
Jonathan sold 1.5 bags of takis for a school fundraiser, or a total of 4.65 pounds of takis. If each bag held the same amount of takis how many pounds of takis were in each bag?
3.1
You must do this when adding or subtracting decimals
line them up
Tine had $5,294.23 in her bank account. She wrote a check for $235.34 to pay her electric bill. She withdrew another $50 from the same account to pay for groceries. How much money was left in Tina's bank account after she wrote the check and made the withdraw?
5,008.89
Two years ago, the Conkle family had a mortgage balance of $146,323.39 on their home. If the family paid $132,382.29 to reduce the balance of the mortgage last year, what is the current balance of the Conkle family's mortgage?
13,941.10
Ms. Vela purchased a pencil for each of her students. If each pencil cost $2.99 and she has 13 students, how much did Ms. Vela spend before sale tax was added?
38.87
A bakery received 2 shipments of sugar, each weighing 22.56 pounds. If the manager divided all the sugar equally among 24 canisters, how many pounds of sugar did the manager put in each one?
1.88
Write out the three steps for dividing decimals
1) move outside decimal
2) move inside decimal same amount and move to top.
3) Divide