Powers of 10
5 X 103
5000
What is this number in word form?
564,123
Five hundred sixty-four thousand, one hundred twenty-three
What property is being shown below.
12 x 7 = 7 x 12
Commutative property of Addition
Use mental math to complete the pattern.
8 × 3 = ___
(8 × 3) × 101 = ____
(8 × 3) × 102 = ____
(8 × 3) × 103 = ____
24
240
2,400
24,000
(5 X 4) X 104
200,000
Write the following number in expanded form
2,565
Possible answers:
(2 X 1000) + (5 X 100) + (6 X 10) + (5 X 1)
(2 X 103) + (5 X 102) + (6 X 101) + (5 X 100)
2000 + 500 + 60 + 5
52 + ( 4 + 12) = (12 + ___ ) + 4
52
Multiply 40 and 80 using mental math strategies.
3,200
1800
What is the place value of the underlined digit?
454,984,123
Ten millions place
What properties are being shown below and what is the final answer?
(4+23)+16 = (4+16)+23
Associative Property of Addition
Use a basic fact and patterns to solve.
300x60 =
18,000
How would I write 1000 as a power of ten?
103
What is the value of the 5 in the number
6,521
500
What is the missing factor in the equation?
4 x 3 x 5 = 5 x ___ x 3
4
The average person loses about 8 × 101 strands of hair each day. About how many strands of hair would the average person lose in 7 days?
560 strands
How many zeroes would be in the product of:
(5X6) X 104
5
What is the value of the underlined digit?
12,456,895
Which property is being shown below?
14 x 9 = (9x10) + (9x4)
Distributive Property
Ms. Davies studies a tarantula that is 2 millimeters long. Suppose she uses a microscope to magnify the spider by 4 × 102. How long will the spider appear to be?
800 millimeters