Place Value
300 is 1/10 of _____
What is 3,000?
True or false: 31 - (3+8) x 2 = 40. Explain.
3 x 12 = 12 x 3
What is the commutative property?
10 x 10 x 10 is written as what with an exponent?
103
Ivan has 3,200 lego pieces. He has 10 times as many Lego pieces as Ares. How many Lego pieces does Ares have?
Ares has 320 lego pieces
8,000 is 10 times as much as ____
What is 800?
Evaluate the numerical expression:
{7+[(20-2)/3]} x 4
What is 52?
(5 x7) x 10 = 5 x (7 x 10)
What is the associative property?
Write 105 as factors of 10.
What is 10x10x10x10x10?
It is 2,454 miles roundtrip from here to Disney World. If you’ve gone 7 times in your life. How many miles did you travel?
I traveled 17,178 miles.
____ is 1/10 of 420.
What is 42?
Evaluate the numerical expression:
3 + (26+7) x 2
What is 69?
Which shows the Distributive Property:
(6 + 10) + (6 + 3)
(6 + 10) x (6 + 3)
(6 x 10) x (6 x 3)
(6 x 10) + (6 x 3)
What is
(6x10)+(6x3)?
What is the value of 104?
Write an expression for this word problem: There are 3 pizza pies with 8 cheese slices in each. Sebastian brings 2 slices of pepperoni.
What is (3 x 8) + 2
92,000 is 10 times as much as ____
What is 9,200?
Maria bought 3 cases of Pepsi with 6 cans in each. She drank 2 cans. Edrey thinks the expression is (6 x 3) - 2. Is he correct? How do you know?
Yes, he is correct. 3 groups of 6, subtract 2.
What are you trying to do with the commutative and associative properties?
Put together numbers that are easier, make 10s
4 x 5 x 102 = ___
20 x 10 x 10
2,000
Vicky bought 6 bags of gummy bears. Each bag contained 24. If she gives them away evenly to 4 friends, how many will each person get?
(6 x 24) / 4 =
Each person will get 36 gummy bears.
_____ is 10 times as much as 550.
What is 5,500?
A movie theatre sells 800 tickets on the first day. It sells 500 tickets for the next 3 days. Write an expression.
What is (800 + (3 x 500))?
Give an example of the Distributive Property.
Varies; Factor x decomposed factor by tens and ones
Explain the pattern of zeros in the product when multiplying by powers of 10.
What is the exponent is the number of zeros when you have a power of 10?
Write a word problem for the expression:
2 x 9 - 5.
Varies; 2 groups of 9, then lost 5.