Guess My Number
_____ is 10 times as many as 60.
600
Estimate the product.
3 x 89
270
Round this number to the nearest ten thousand.
125,647
130,000
Write an equation for the comparison sentence.
42 is 7 times as many as 6.
42 = ____ x ____
42 = 7 x 6
____ is 1/10 of 700.
70
Estimate the product.
6 x 705
4,200
Round this number to the nearest ten thousand.
7,254
10,000
Is 25 a multiple of 5?
Explain.
Yes.
5 x 5 = 25
Your sister is 9 years old. Your grandmother is 90 years old. Your grandmother is how many times older than your sister?
10 times
Estimate the product.
970 x 5
5,000
Select all the numbers that round to 3,000 when rounded to the nearest thousand.
a. 3,680
b. 3,025
c. 3,546
d. 2,496
b and d
Is the equation true or false?
6 x 8 = 208-142
False.
48 = 66
Descartes is thinking of a number. The product of his number and 50 is 4,500. What is his number?
90
Which expression does not have an estimated product of 24,000?
a. 8 x 2,963
b. 4 x 6,131
c. 12 x 1,746
d. 6 x 3,454
d has an estimated product of 18,000.
Round the star to the nearest thousand.
(number line on board)
7,000
k - 210 = 12 x 12
k = 354
Descartes is thinking of a number. His number has 6 digits. The thousands digit has a value that is greater than 4, but less than 7. His number is a multiple of 10. What is his number?
165,147 88,450 237,540 106,520
106,520
Mrs. R sells 9,451 cups of coffee at her coffee shop in one month. She sells each cup of coffee for $5. Estimate how much money she made.
$45,000
Round the star to the nearest ten thousand.
(number line on the board)
10,000
45 / 5 = p x 3
p = 3