Patterns of 10
What is a number with a value that is 10 times as much as 8,000?
80,000
Round 472,321 to the nearest hundred thousand.
Endpoints: 400,000 & 500,000
Midpoint: 450,000
Is 472,321 above or below the midpoint?
Rounds to 500,000
How do you write 23,798 in expanded form?
20,000 + 3,000 + 700 + 90 + 8
What comparison sign goes between 342,789 and 345,719?
342,789 < 345,719
Find the sum.
36,784 + 53,481 = ______
90,265
Which number has a value that is 1/10 the value of 7,000?
a. 70,000
b. 70
c. 700
d. 7
c. 700
**Remember: when a number has a value that is 1/10, that means that the value is getting smaller by one place value. (You are moving the digit to the right one place value spot)
Which number does NOT round to 40,000 when rounded to the nearest thousand?
a. 39,787
b. 39,501
c. 40,499
d. 40,552
**Rounds up to 41,000
How do you write 354,789 in word form?
three hundred fifty four thousand, seven hundred eighty nine
Fill in the comparison sentence with the correct symbol.
7,365,921 ____ 7,375,921
7,365,921 < 7,375,921
Ms. d'Andrade has a rectangular yard. She wants to put a fence around the yard. It has a width of 10 yards and a length of 8 yards. What is the perimeter of the yard?
36 yards
How do the two 9s compare in 99,000?
a. The 9 on the right is 10 times greater than the value of the 9 on the left.
b. The 9 on the right is 1/10 the value of the 9 on the left.
c. The 9 on the right is 90 times the value of the 9 on the left.
d. The 9 on the right is 1/90 the value of the 9 on the right.
b. The 9 on the right is 1/10 the value of the 9 on the left.
**Remember: SUBSTITUTE WORDS
9 on the right = 9,000
9 on the left = 90,000
1/10 the value = smaller than
(9,000 is smaller than 90,000.)
Round 453,763 to the nearest hundred.
453,800
Endpoints: 453,700 and 453,800
Midpoint: 453,750
What is 7,000,000 + 200,000 + 50,000 + 300 + 90 + 8 in standard form?
7,250,398
Write a word statement for this comparison sentence.
7,453 < 7,543 > 6,543
7,453 is less than 7,543 and 7,543 is greater than 6,543.
KIPP Connect's campus has 1,458 students on it. KIPP Journey's campus has 879 less students than KIPP Connect. How many students are on KIPP Journey's campus?
KIPP Journey has 579 students on their campus.
What is true about the number 89,764,733?
a. The 3 in the tens place is 1/10 the value of the 3 in the ones place.
b. The 3 in the tens place is 100 times the value of the 3 in the ones place.
c. The 3 in the tens place is 1/100 the value of the 3 in the ones place.
d. The 3 in the tens place is 10 times the value of the 3 in the ones place.
d. The 3 in the tens place is 10 times the value of the 3 in the ones place.
**30 is 10 times 3.
The number of students that attend two KIPP Texas districts are shown below.
Which of the following is the best estimate of the difference between the students enrolled in these districts?
a. 4,000
b. 5,000
c. 6,000
d. 7,000
14,542 ~ 15,000
8,702 ~ 9,000
15,000 - 9,000 = 6,000
**C. 6,000
Write 496,327 in word and expanded form.
Word Form: four hundred ninety six thousand, three hundred twenty seven
Expanded Form: 400,000 + 90,000 + 6,000 + 300 + 20 + 7
Write a comparison sentence for 53,065; 40,492; and 37,215.
53,065 > 40,492 > 37,215
OR
53,065 is greater than 40,492 and 40,492 is greater than 37,215.
Ms. d'Andrade has 1,345 pencils. Ms. Watson has 1,456 more pencils than Ms. d'Andrade. Ms. Kulikowski has 756 less pencils than Ms. Watson. How many pencils does Ms. Kulikowski have?
Ms. d'Andrade: 1,345 pencils
Ms. Watson: 1,345 + 1,456 = 2,801 pencils
Ms. Kulikowski: 2,801 - 756 = 2,045 pencils
Ms. Kulikowski has 2,045 pencils.
How do the two 4s compare in 4,043,962?
a. 4 millions is 10 times the value of 4 ten thousands.
b. 4 millions is 100 times the value of 4 ten thousands.
c. 4 millions is 1/10 the value of 4 ten thousands.
d. 4 millions is 1/100 the value of 4 ten thousands.
b. 4 millions is 100 times the value of 4 ten thousands.
**Remember: The equation goes backwards.
40,000 ____ = 4,000,000 (Is the number getting bigger or smaller? So we have to multiply. How m any extra zeros does 4,000,000 have than 4,000? Two.)
40,000 x 100 = 4,000,000
Round to the nearest ten thousand and check the reasonableness of your answer for 53,065 - 12,573.
**Remember: "I believe my answer is reasonable because..."
53, 065 - 12,573 = 40,492
53,065 ~ 50,000
12,573 ~ 10,000
50,000 - 10,000 = 40,000
My answer is reasonable because 40,492 is close to the estimated answer of 40,000.
Write (2 x 1,000,000) + (5 x 10,000) + (3 x 1,000) + (4 x 10) + (8 x 1) in standard, word, and expanded form.
Standard Form: 2,053,048
Word Form: two million, fifty three thousand, forty eight
Expanded Form: 2,000,000 + 50,000 + 3,000 + 40 + 8
The table below shows the soccer ball production of four countries in one year.
United States - 1,780,221
China - 792,321
France - 1,793,001
Brazil - 1,807,412
Which list shows these countries in order from least to greatest amount of soccer balls produced?
a. United States, China, France, Brazil
b. China, France, United States Brazil
c. Brazil, France, United States, China
d. China, United States, France, Brazil
d. China, United States, France, Brazil
The list shows the number of chocolate bars Isaac wants to sell for the school fundraiser in three weeks.
Isaac wants to sell a total of 1,000 chocolate bars. How many more chocolate bars does Isaac need to sell?
Known parts - 152 chocolate bars, 396 chocolate bars, 279 chocolate bars
Whole/Total - 1,000 chocolate bars.
Unknown parts - how much more to get to 1,000?
1,000 - (152 + 396 + 279) = 173
**He needs to sell 173 more chocolate bars to reach 1,000.