Addition?
Mental Math
1048 + 200 =
1248
Mental Math
250-150
100
0.005
five thousandths
MENTAL MATH
8 x 9 x 2 =
140/10
14
What is 1,000 x 2
2,000
Ariel ran an errand for her neighbor.
She went to the store and bought 24 pieces of fruit.
She purchased three times as many oranges as bananas.
On her way home, Ariel accidentally dropped twice as many oranges as bananas.
She still managed to deliver 15 pieces of fruit to her neighbor.
How many oranges were there?
12
Mental Math
865 + 10
875
649-349
349
0.87
eighty-seven hundredths
Mental Math
135 x 3 =
405
MENTAL MATH
3/9 in decimal form
.3333333.......
What is 1,000 x 5
5,000
Lori bought a soccer ball for $19.95
She also bought a pair of sneakers that cost three times as much as the ball.
She had $7.80 left in her backpack.
How much money did she have before the purchase?
$87.60
Mental Math
50 + 50 + 10
110
Mental Math
60 - 10 =
50
0.362
three hundred sixty-two thousandths
How many tens
784
8
MENTAL MATH
400 / 5 =
80
What is 1,000 x 10=
100,000
At the Arcade Parade, bumper cars cost $12 for a half hour.
How much does 25 minutes cost?
10
Mental Math
100 + 900 =
1000
Mental Math
9 - 15
-6
49.54
forty-nine and fifty-four hundredths
MENTAL MATH
135 x 3 =
405
Mental Math
54 / 6 =
9
What is 1,000 x 1
1,000
Lickety Splits sells ice cream cones for $1.75 each.
The Yummy Tummy sells ice cream cones for $2.15 each
but will give you a free cone after you buy 5.
One store is offering a better deal.
How much will you save if you buy 6 ice cream cones at that store?
$0.25
25 cents
5 + 5 + 5 +5
20
562-100
462
0.249
two hundred forty nine thousandths
Mental Math
20 x 41 =
820
MENTAL MATH
what is 1/4 in decimal form?
.25
What is 1,000 x 0
A sign by a bridge says it can safely hold 5 cars that each weigh 2750 pounds.
Assume there are no cars on the bridge.
How many 150 pound people can safely stand on the bridge?
91 people