Write in standard notation.
635 x 10³
635,000
Write in exponential notation.
10 x 10 x 10 x 10
10⁴
Estimate.
456 ÷ 12 =
450 ÷ 10 = 45
How many ounces are in one pound?
16 ounces = 1 pound
Write an expression using grouping symbols.
The sum of 4 and 8 divided by 6.
(4 + 8) ÷ 6 =
My 5 is worth 5 x 1,000.
My 4 is worth 100.
My last two digits are 5².
8(100,000).
I have a 0.
805,424
Write in standard notation.
10 x 10 x 10
1,000
Estimate.
57 x 9 =
60 x 10 = 600
Create and expression and solve.
How many ounces are in 3 pounds and 8 ounces?
(3 x 16) + 8 = 56 ounces
Write and expression using grouping symbols.
The product of 7 and 3 divided by the sum of 5 and 2.
(7 x 3) ÷ (5 + 2) =
(6 x 30,000) + 5 (1,000) + 300 + 4²
185,316
Write in standard notation.
723 x 10⁴
7,230,000
Estimate and solve.
52 x 19
50 x 20 = 1,000
52 x 19 = 988
Sam collects cans for recycling. When he has 1,000 cans, the recycling center will pick them up from his house. Sam has 110 bags with about 25 cans in each bag. Is it time for the recycling center to pick up his cans?
YES
Sam has about 100 x 25 = 2,500 cans already!
Write an expression using grouping symbols and solve.
Sara is shipping a present to her friend. The gift weighs 5 pounds. The shipping materials weigh 7 ounces. What is the total weight of the package in ounces?
(5 x 16) + 7 = 87 ounces
3(100,000) + 2(1,000) + 5⁴
302,625
Write in exponential notation.
10,000,000
10⁷
Estimate and solve.
704 ÷ 6 =
700 ÷ 5 = 140
117 R 2
Create a math model for the problem and solve.
Bill owns 421 books! He has built shelves and each shelf will hold 50 books. How many shelves should Bill make to hold all of his books?
421 ÷ 50 = 8 R 21
Write an expression and solve.
How many ounces are in 8 pounds?
8 x 16 = 128 ounces
My 7 is worth 70,000.
I have an 8 in the ones place.
My 9 is worth 9 (100s).
I have a 6 in the thousands place.
My 2 is worth 2(100,000).
I have a 0 in my number.
276,908
Write as a product of 10s.
105
10 x 10 x 10 x 10 x 10
Use partial quotient to solve.
2,125 ÷ 16 =
132 R 13
Bill owns 421 books. He has built shelves and each shelf will hold 50 books. How many shelves should Bill make to hold all of his books? and what does the remainder represent?
9 and the remainder represents leftover books.
Solve.
[4 + (6 ÷ 3)] - 3 =
3