Reading and Writing Numbers
In the number 14 560 879, how much is the 1 worth?
10 million
In the number 34 675 230 how much is the 7 worth?
70 000
rewrite 450 thousand as ones
450 000 ones
What is 102?
100
what is √16?
4
Write 56 094 320 in words
fifty-six million ninety-four thousand three hundred twenty
Write the following in standard form:
2 000 000 + 50 000 + 8 000 + 90+ 4
2 058 094
Rewrite 15 000 ones as thousands
15 thousands
What is 82?
64
What is the inverse operation for a squared number example x2 (32)
√ (square root)
Write the following number in expanded form using powers of ten: 46 789
4x 104 + 6x103 + 7x102 + 8x10 + 9x1
Write the following in standard form:
5x106 + 4x104 + 2x103 + 1x102 +4x1
5 042 104
Rewrite 7.35 million as thousands.
7 350 thousands
A square has an area of 9 what are the side lengths?
3
What is √121
11
Write 72 678 000 in expanded form using powers of 10
7x107 + 2x106 + 6x105 + 7x104 + 8x103
Write the following in expanded form using powers of 10: 45 709
4x104+ 5x103+ 7x102 + 9x1
Rewrite 8.67 million as hundreds
86 700 hundreds
What is √81
9
Is 140 a perfect square why or why not?
No because you can not multiple a whole number by itself to equal 140. The closest perfect square is 144.
Write the following in scientific notation:
65 900
Write the following in scientific notation:
7 809 000
7.809 x 106
rewrite .54 million as tens
54 000 tens
A square has an area of 36cm2, what would it's perimeter be?
24cm
A square has side lengths of 70mm. What is the area in cm?
49cm2