Show:
RANDOM MULTIPLICATION
ONE DIGIT MULTIPLICATION
TWO DIGIT MULTIPLICATION
EXPONENTS & PRIME FACTORIZATION
MENTAL MULTIPLYING
100
124 x 9
1,116
100
7 x 89
623
100
63 x 51
3,213
100
Write using exponents: 5 x 5 x 5 x 5 x 5
5^5
100
70 × 300 =
21,000
200
LOSE YOUR TURN !!!! 18 x 91
1,638
200
9 x 31
279
200
36 x 77
2,772
200
PRIME FACTORIZATION 81
3 x 3 x 3 x 3
200
8 x 500
4,000
300
The dimensions of a ballroom are 24 feet by 18 feet. How big is the ballroom in square inches?
432
300
B O N U S ! ! ! ! ! 315 x 4
1,260
300
31 x 258
7,998
300
PRIME FACTORIZATION 24
2 x 2 x 2 x 3
300
6 × 10^4
60,000
400
Antoinette has 208 coins. Jordan has 3 times as many coins. Nick has 2 times as many as Jordan. How many coins does Nick have?
1,248
400
Dana jogs 955 minutes a month. How many minutes will she jog in 4 months?
3,820
400
Felisa bought 26 boxes of crayons. Each box had 12 crayons. How many crayons did Felisa buy?
312
400
LOSE YOUR TURN !!! WRITE USING EXPONENTS: 4 x 4 x 2 x 3 x 2 x 4
2^2 x 3 x 4^3
400
B O N U S ! ! ! 210 x 1,000
210,000
500
Andy has 24 pokemon cards on each page of his binder. The last page has only 12 cards. If he has 36 pages in the binder. How many pokemon cards does he have?
852
500
Derrick has 238 stamps in an album. How many stamps will he have in 4 albums?
952
500
Mr. and Mrs. Hartford want to buy a car that costs $12,675. Mr. Hartford saved $235 each month for 8 months. Mrs. Hartford saved $375 each month for 9 months. If they combine their money, how much will they have? Will they have enough money to buy the car?
$5,255 = NO
500
Each side of a cube-shaped box measures 6 feet. To find the volume, multiply the length times the width times the height. Express the amount of space inside as a power and then find the amount in cubic feet.
6^3 = 216 cubic feet
500
Explain how to find 20 × 10^2 mentally
See student's answer.