Numbers
Write the number in standard form: five million, two hundred thirty-eight thousand
5,238,000
6,320 × 10
63,200
48 ÷ 12
4
6 × 5 ÷ 2
15
There were 918 yellow chairs and blue chairs in all in a hall. The blue chairs were arranged in 36 rows with 12 chairs in each row. The yellow chairs were arranged in rows of 18. How many rows of yellow chairs were there?
12 × 36 = 432 There were 432 blue chairs. 918 – 432 = 486 There were 486 yellow chairs. 486 ÷ 18 = 27 There were 27 rows of yellow chairs.
In 1,077,215, the digit in the hundred thousands place is____
0
9,097 × 1,000 =
9,097,000
34 ÷ 20
1 R 14
What does the acronym PEMDAS stand for?
parenthesis, exponents, multiplication, division, addition, subtraction
Ms. Hall bought 120 greetings cards at 40 for $24.99. Mr. Nelson bought the same number of greetings cards at 30 for $20.95. What was the difference between the amounts that Ms. Hall and Mr. Nelson paid?
120 ÷ 40 = 3 $24.99 = 2,499¢ 3 × 2,499¢ = 7,497¢ Ms. Hall bought the greetings cards for 7,497¢. 120 ÷ 30 = 4 $20.95 = 2,095¢ 4 × 2,095¢ = 8,380¢ Mr. Nelson bought the greetings cards for 8,380¢. 8,380¢ – 7,497¢ = 883¢ = $8.83 The difference between the amounts that
4,130,000 = ________+ 100,000 + 30,000
4,000,000
162 × 500
81,000
80 ÷ 60
1 R 20
(35 – 11) × 2
48
Ms. Kim had 2,356 beads and Mr. White had 1,176 beads at first. After they each used an equal number of beads, Ms. Kim had 3 times as many beads left as Mr. White. How many beads did each of them use?
2,356 – 1,176 = 1,180 2 units = 1,180 1 unit = 1,180 ÷ 2 = 590 1,176 – 590 = 586 Each of them used 586 beads.
What place is the 2 in?
329,051
20,000
5,118 × 10 2
511,800
8,012 ÷ 36
222 R 20
17 + (24 + 16) ÷ 5
25
There were 4,342 buttons in all in Bags A, B, and C. There were 18 more buttons in Bag B than in Bag A. There were 3 times as many buttons in Bag C as in Bag B. How many buttons were there in Bag A?
18 × 4 = 72 4,342 – 72 = 4,270 5 units = 4,270 1 unit = 4,270 ÷ 5 = 854 There were 854 buttons in Bag A.
Write this number in word form: 7,230,014
seven million, two hundred thirty thousand, fourteen
6,452 X 35
225, 820
2,673 ÷ 37
72 R 9
(40 + 215 – 77) × (9 ÷ 3) – 20
514
It is a 7-digit number.
The value of the digit 7 is 700.
The greatest digit is in the millions place.
The digit 1 is next to the digit in the millions place.
The value of the digit 8 is 8
The value of the digit 3 is 3.
The digit 5 is in the thousands place.
The digit 6 stands for 60,000.
9,165,783