Show:
Expressions
Standard Algorithm
Conversions
Powers of Ten
Grab Bag
100
Write this as an expression: 50 times the sum of 64 and 36
50 x (64+36) or (64+36) x 50
100
10 x 10
100
100
1 year = ____ months?
12
100
2 x 10000
20,000
100
How many quarters would you need to make $2.50
10 quarters
200
Solve: 50 times the sum of 64 and 36
5,000
200
253 x 30
7,590
200
1 meter = _____ cm
100
200
What number is 10 to the fifth power
100,000
200
If Joe wakes up at 6:45 and leaves for school at 7:26, how much time does it take him to get ready for school?
41 minutes
300
Write this as an expression: 15 times the sum of 14 and 6
15 x (14+6) or (14+6) x 15
300
654 x 94
61,476
300
3.5 meters = ______ cm
350
300
23.45 x 10 to the third power
23,450
300
What is Ms. Riso's pet? And what is his name?
Cat, Rocky
400
Solve : 15 times the sum of 14 and 6
300
400
4,000 x 30
120,000
400
How many feet are in one yard? How many feet are in three yards?
3 feet = 1 yard so 9 feet = 3 yards
400
Ms. Meehan bought 10 packs of pencils that each had 34 pencils each. She wants to give pencils to 350 of her friends. Will she have enough pencils? How many more will she need or how many will be left over?
She will not have enough. She will need 10 more pencils.
400
The fourth grade is going to the museum. There are 98 students going on the trip. There are 20 chaperones going. There are 4 teachers going. Each bus can fit 45 people. How many busses will they need to take on the trip?
122 people divided by 45 = 2.71111 Must round up to 3 busses.
500
Put this expression into words: 10 × (250 + 45)
10 times the sum of 250 and 45.
500
How are these two expressions related: 35 x 20 and 3.5 x 20
The digits are exactly the same. One number in the second expression has smaller units. 35 is ten times larger than 3.5 The answer to that expression will be the same digits but 10 times larger.
500
It costs 20 cents for a foot of rope. A sailor needs to buy 12 feet of rope. How much will it cost?
$2.40
500
What number must we multiply 12.35 by to equal 1235000
100,000 or 10 to the fifth power
500
What comes after "Whoop"?
"Whoop" OR "there it is"