Chapter 2
Divide
554 divided by 2
what is 277
680 divided by 8
What is 85?
462 divided by 5
what is 92 r 2
522 divided by 18
what is 29?
529 divided by 37
14 r 11
144 divided by 12
What is 12?
124
- 39
_______
WHAT IS 85?
If a subtraction problem has a bigger number on the bottom row, what should you do?
What is borrow?
987 divided by 15
what is 65 r12
227
-
189
___________
what is 38?
This sphere is composed of all of the water on or near Earth. Water on Earth can be found in the form of liquid water, ice, or water vapor.
hydrosphere
This sphere is the body of air which surrounds our planet. The air on our planet is 78% nitrogen and just under 21% oxygen; the small amount remaining is composed of carbon dioxide and other gases.
atmosphere
Use compatible numbers to estimate the quotient
6,285 divided by 89
What is 70
Sarah has 300 books she needs to ship. If each box holds 24 books, how many boxes will Sarah need?
What is 13?
This sphere is composed of all living organisms, such as plants, animals, and humans.
what is biosphere?
You can use ____________ to estimate quotients because they are easy to compute with mentally.
What is compatible numbers
1,248 divided by 24
What is 52?
5,210 divided by 17
What is 306 r8?
8,808 divided by 42
209 r 30
Use compatible numbers to estimate the quotient
522 divided 6
What is 90?
This sphere consists of Earth’s interior and the solid, rocky crust covering the entire planet, including the ocean floor. This crust is inorganic and is composed of soil, liquid magma, minerals, sediments, and sand.
what is geosphere?
Holly bought 156 ounces of trail mix. She wants to divide the amount equally into 24 portions. How many ounces of trail mix will be in each portion?
what is 6 r 12 or 6 1/2
What is El Nino?
It is a time period when the warm air from the equator causes the ocean water to be warmer than usual.
To decide where to place the first digit in the quotient, you can estimate or use ________________.
What is place value
Plant nursery grew 2,330 this season. The plants are sold in crates of 96. All but one crate is full. How many plants are in the last crate?
What is 26?