A
1x9=9
is an example of which property of multiplication?
Identity Property of Multiplication
15 x (7 x 9) = ( 15 x 7 ) x 9
is an example of which property of multiplication?
the Associative Property of Multiplication
87 X 3 = 3 X 87
is an example of which property of multiplication?
the Commutative Property of Multiplication.
170 is ____ of 17. 1/10 or 10x
660 is ____ of 6,600 1/10 or 10x
900 is _____ of 9,000 1/10 or 10x
44,000 is ____ of 440 1/10 or 10x
10x
1/10
1/10
100x <-- double points if answered correctly.
on the white board write:
"seven hundred thousand, five hundred sixty-two".
...in both standard and expanded forms
700,562
(7 x 100,000) + (5 x 100) + (6 x 10) + (2 x 1)
Johnnie has 140 coins. She has 10x as many coins as she had last month. How many coins did Johnnie have last month?
14 coins
Bryson makes $24 an hour helping his dad. Which expression shows how much money he will make in 7 hours.
A. ( 7 + 20) + (7 + 4) B. ( 7 x 20) + (7 x 4)
C. ( 7 + 20) x (7 + 4) D. ( 7 x 20) x (7 x 4)
B. ( 7 x 20) + (7 x 4)
6 x 10^0 = ____
6 x 10^1 = ____
6 x 10^2 = ____
6 x 10^3 = ____
6 x 10^0 = __6__
6 x 10^1 = __60__
6 x 10^2 = __600__
6 x 10^3 = __6,000__
It is 3,452 miles round trip to Dave's Aunt Andrea's house. If he travels to her house 3 times this year, how many miles did he travel in all?
10,356 miles
Braydon makes $33 per day over the summer. How much did he earn in
3 days _____
8 days _____
14 days _____
3 days __$99___
8 days __$264___
14 days __$462___
Wyatt fallowed these steps to evaluate the equation
15 - (37 + 8) ÷ 3
37+8=45
45-15=30
30÷3=10
Mason thinks Wyatt made a mistake, He thinks Wyatt should have divided by 3 before subtracting. Who is correct?
Mason is correct
double points if you correctly solved it. "0"
Cameron buys 8 plates for $1 each. He also buys 4 bowls. Each bowl cost twice as much as each plate. The store is having a sale that gives Cameron $3 off.
Write an expression that shows how much Cameron spent, and solve it.
(8 x 1) + (4 x 2) - 3 = ___
8 + 8 - 3 = ____
16 -3 =__13__
Solve:
2 + (65+7) x 3 =
218
At the Sacramento Zoo, Zay learns that an adult elephant eats about 300 pounds of food each day. Write an equation to show how much food a heard of 12 elephants eat in 5 days.
5 X (300 x 12)
double points if you solved it 18,000 pounds
Brooklyn is solving a math problem on tomorrow's test.
"Hyro buys 5 boxes of granola bars. Each box contains 12 granola bars. Hyro eats 4 bars."
Brooklyn writes the equation ( 12 - 4 ) X 5, what was her mistake?
How many Granola bars would be left?
Brooklyn subtracted 4 from 12 when she should have multiplied 12 x 5 then subtracted the 4.
12 x 5 - 4
60 - 4
56 granola bars
James collected 75 stickers. He shares his stickers with himself and 4 of his friends equally. How many stickers will Justin, Chris, Samuel, and Rylan each get?
then show the multiplication/division family.
_ x _ = _
_ ÷ _ = _
15 stickers
5 X 15 = 75
75 ÷ 5 = 15
Brayden is making dinner for 9 people. He buys 6 containers of soup. Each container holds 18 ounces. If everyone gets the same amount of soup, How much will each person get?
12 ounces
144 ÷ 8
18
Wyatt T. eats a breakfast sandwich that has 345 calories. If he eats the same kind of sandwich every day for 12 days, how many calories would he have consumed?
4,140 calories
All 8 teachers are going to see a play. If each teacher pays $15 to get inside, how much did they pay all together?
^no cap
$120
on the white board write:
"50,897".
...in both written and expanded forms
fifty thousand, eight hundred ninety-seven
(5 x 10,000) + (8 x 100) + (9 x 10) + (7 x 1)
True or false
a. 55 - ( 12+2 ) = 41
b. 25 + (14 - 4) = 27
a. true
b. true
Mary Ann bought 2 bottles of juice a day for 15 days. on the 16th day, she bought 7 bottles of juice.
write an expression that represents this problem.
And solve it
(2 x 15) + 7 = 37bottles
10^2 select all that apply
a. 20 b. 100 c. 10+2
d. 10x2 e. 10+10 f. 10x10
b. & f.
3^3 + (13 x 6 ) - 5 =
100