(5.NBT.A.1)
What is the value of the underlined digit in 75.046?
.006 or 6 thousandths
In a park, there is an outdoor eating area divided into 2 sections. Each section has 100 tables. At the end of each day, Sarah cleans all the tables. The grids below show all the tables she has cleaned.
Which decimal shows the number of SECTIONS Sarah has completed?
1.57
Estimate (write your estimations)
34 x 69=___
30 x 70 = 2100
What is a shortcut method for dividing 36,000 by 9?
Divide 36 by 9 and insert 3 zeros at the end of the quotient.
(answer = 4,000)
Solve the problem below.
83.04 − 7.06 =
(Line up the decimals...)
75.98
What is the standard form of 2,000,000 + 300,000 + 6,000 + 400 + 20 + 1?
2,306,421
Round 623.153 to the place of the underlined digit.
623.2
Juan has 18 stickers in an album. Marissa has 4 times more stickers in her album. What equation represents the problem?
4 x 18 = n
or 4 x 18 = 72
Solve this division problem 655 divided by 6.
(Use remainder not decimals)
109 R 1
The school store has items for sale. Pencils are $0.75, pens are $1.10, and erasers are $0.35. If Jen buys one of each item, how much will she spend?
(Line up your decimals...)
$2.20
What is the number eight and twenty-eight thousandths written in standard form?
8.028
Round 367.2991 to the hundredths place
367.30
Multiply to solve the problem below.
974× 38 =
37,012
Will both of the following equations be equivalent to
560 ÷ 80 ?
560 ÷ 8 and 5,600 ÷ 800
No.
560 ÷ 80 is only equivalent to 5,600 ÷ 800
Sara needs to buy a gallon of milk for $3.98, a dozen eggs for $2.75, and paper towels for $3.87. Sara said she needs $10 to pay for all the items. Is her answer reasonable? Why or why not?
No. There is not enough money.
$3.98 rounds to $4.00, $2.75 rounds to $3.00, and $3.87 rounds to $4.00 4+3+4=11
What is the shortcut for finding .002 x 1,000?
(Since it is x1... leave the 2 alone.)
Count the zeros in the 1,000, then move the decimal to the right that many spaces.
Write in (fractional) expanded form
347.392
(3x100)+(4x10)+(7x1)+(3x 1/10)+(9x1/100)+(2x1/1000)
What is 83 written in standard form?
512
Which expression shows how you can solve 7 × 63 using mental math?
A.(7 × 6) + (7 × 3) B.(7 × 60) + (7 × 3)
C.(7 × 60) + (7 × 30) D.(7 × 60) × (7 × 3)
B
You need to divide up the 63 into 2 parts (60 + 3)
Then multiply each of those parts by 7.
Which multiplication property does the equation below represent?
7 × (9 × 2) = (7 × 9) × 2
The Associative Property-we regrouped
Did we flip the numbers? No. They didn't commute.
Did we multiply by 0? Not the Zero Property.
Did we multiply by 1? Not the Property of 1
What is 10,483,190 in word form?
Ten million,
four hundred eighty-three thousand,
one hundred ninety
Write 409.263 in decimal expanded form.
(4x100)+(9x1)+(2x.1)+(6x.01)+(3x.001)
Estimate the product in the problem below.
38×9×23=n
40x10x20=8,000
Ryan divided 626 by 7 and said the quotient is 89 R3. What estimate would best help Ryan verify the reasonableness of his answer?
630 / 7 = 90 is a mentally easy way, and it shows it is close to 89 R 3.
These items contain the following amount of peanuts per package: Trail Mix=98.7, Energy Bar=35.4, cookie=3.8, and Salad=20.3
What is an appropriate estimate for the number of peanuts in the trail mix, cookie, and salad combined? 110, 123, 138, or 158
123