ADDING
SUBTRACTING
MULTIPLYING
DIVIDING
ANYTHING GOES!
100
2/3+4/5
10/12+12/15=22/15=1 7/15
100
$157.95-75.87
$82.08
100
67 x 76 =
67x 76 =402 + 4690 =5092
100
10.8 divided by 6=
1.8
100
Write the number:
fifty-five million three hundred five thousand four and three hundredths
55 305 004.03
200
2 2/3 +1 5/6
3 4/6 +5/6 = 3 9/6=4 3/6=4 1/2
200
13.8-7.453=
6.347
200
67.67 x 6=
406.02
200
DIVIDE: 49.77 -: 2
24.885
200
ALi has $26.32 but then spends $14.87 on snacks at the store. How much money does she have LEFT?
26.32-14.87=$11.45
300
2/3 + 1/2 + 2/5=
20/30 +15/30 +18/30=53/30=1 23/30
300
444-238.56
444.00-238.56=$205.44
300
0.0067 x 7=
67 x 7 = 469 but with 4 decimal places
= 0.0469
300
DIVIDE 5.1 by 9
0.566666666666...
300
MULTIPLY - YOU GOT THIS
567 x 765 =
433755
567x765=2835 + 34020 + 396900 = 433755
400
Sara went shopping for winter clothing - she bought a jacket for $129.90 and boots for $76.50 and a pair of mitts for $23.25. What was the total that she spent?
129.90+76.50+23.25=$229.65
400
5/6-1/3-1/2=
5/6-2/6-3/5=0/6=0
400
One ice-cream cone weighs 36.4 ounces.
How much do 5 cones weigh?
36.4 x 5 = 182 ounces
400
FOUR people will equally split 0.11 acres of land. How much land will each person get?
0.0275 acres of land each
400
A bag of dog food weighs 18.8 pounds when you buy it from the store. The bags lasts only 8 days before it is empty. How many pounds of dog food is being eaten each day?
18.8/8=2.35 POUNDS A DAY
500
add the three decimals toagther to get
$23.54
500
4 1/3-2 3/5=
2 5/15-9/15=1 20/15-9/15=1 11/15
500
Mrs. Galbraith split an entire bag of jolly ranchers among the 12 students in 5th period. Each student received exactly 20.5 grams of jolly ranchers.
HOW MUCH WAS ORIGINALLY IN THE BAG?
20.5 x 12 = 389.5 grams originally
500
Sarah jogged 1.62 km in 9 minutes.
Trent jogged 1.12 km in 7 minutes.
WHO JOGGED FARTHER IN 1 MINUTE
and by HOW MUCH?
1.62/9=0.18
1.12/7=0.16
0.18-0.16 = 0.02 km farther by Sarah
500
WITHOUT FINDING THE ANSWER - place the decimal place into each answer:
SHOW YOUR ESTIMATION
A. 2.35 + 12.734 = 15084
B. 322.75 - 186.0376 = 1367124
C. 4.76 x 9 = 4284
D. 16.4 -: 5 = 328
a. 15.084 (THINK 2 + 12=14)
b. 126.7124 (THINK 300-200=100)
c. 43.11 (THINK 5x9=45)
d. 3.28 (THINK 16/4=4)