Properties
18 x 2= 2 x 18
Commutative Property of Multiplication
What are the three forms to write a number?
Standard Form, Word Form, Expanded Form
Solve
(2+3) x 5 - 1
2+3+ 5
5 x 5 =25
25-1= 24
10 x 10 x 10 x 10
10,000
What is 1/10 of 100?
10
15 + (12 + 11) = (15 + 12) + 11
Associative Property of Addition
(3 x 100,000) + ( 4 x 1, 000) + ( 6 x 100) + ( 7 x 10) + ( 2 x 1 )
Solve 4+8 / 4 - 3
8/4=2
4+2=6
6-3=3
Rewrite 102 in two different ways
10 x 10
100
What is 10 times as much as 600
6,000
72 + 0 = 72
Identity Property of Addition
How would you write 345 in word form?
three-hundred forty-five
Solve
( 8 x 30) + ( 8 x 5)
8 x 30 = 240
8 x 5 = 40
240 + 40 = 280
Janella buys 4 cases of water. Each case of water contains 12 bottles. Janelle drinks 3 bottles water. Write the expression to match the words and then solve.
(12 x 4) - 3
48 - 3=45
What is 1/10 of 2,400?
14 + 27 + 18 = 27 + 14 + 18
Commutative Property of Addition
How would you write one-thousand, three-hundred two in standard form?
1,302
Solve
(57 + 4) x 4 - 16
57 + 4 = 61
61 x 4 = 244
244- 16= 228
6,625 feet
50 is 1/10 of 500
True or False
True
11 x (4 x 6) = ( 11 x 4 ) x 6
Associative Property of Multiplication
How would you write 2,207 in expanded form?
(2 x 1,000) + ( 2 x 100) + ( 7 x 1)
Solve
(12 x 4) - 3
12 x 4 = 48
48 - 3 =45
Erica earned 30,000 bonus points on her computer assignment. This is 10 times as many bonus points as she earned last week. How many bonus points did Erica earn last week?
3,000
700 is 10 times as much as 70
True or False
True