Lesson 2.1
Estimate then find the product:
28 x 22 =
Estimate:_______
Product:_________
Estimate: 600
Product: 616
Use the area model to divide:
142 divided by 11
Answer should have:
143 split into 110 and 33
Divide 110 by 11
Divide 33 by 11
Add the two together. The answer is 13
892 divded by 26
34 8/25
Use compatible numbers to find two estimates:
396 divided by 42
ex)
360 divided by 40 =9
400 divided by 40= 10
What is the state capital of Wyoming?
Cheyenne
Estimate then find the product:
389 x 231
Estimate:______
Product:________
Estimate: 80,000
Product: 89,859
Use an area model to divide:
216 divided by 18
Split 216 into 180 and 36
Divide 180 by 18 and 36 by 18.
Add the two answers together to get 12.
Divide:
540 divided by 36
15
Use compatible numbers to estimate the quotient:
7130 divided by 86
Ex)
7,200 divided by 90=80
What is Ms. Scheffler's favorite animal?
Red Panda
A company shipped 48 boxes of canned dog food. Each box contains 24 cans. How many cans of dog food did the company ship in all?
Answer: 1,152 cans
Divide 168 by 12
Answer 14
Use partial quotients to solve:
322 divided by 14
23
A cubic yard of topsoil weighs 2,128 pounds. About how many 50 pound bags of topsoil can you fill with one cubic yard of topsoil?
about 43 bags
What is Ms. Scheffler's brothers name?
Anthony
Estimate then find the product:
612 x 87
Estimate:______
Product:_______
Estimate: 54,000
Product: 53,244
Divide 187 by 11
17
Yvette has 336 eggs to put into cartons. She puts one dozen eggs into each carton. How many cartons does she fill?
28 cartons
Estimate:Geneva has 567 earmuffs in stock. If she can put 18 earmuffs on each shelf, about how many shelves does she need for all the earmuffs?
about 30 shelves
What grade did Fr. Patrick used to teach?
5th Grade
A chessboard has 64 squares. At a chess tournament 84 chessboards were used. How many squares are there on 84 chessboards?
5,376 squares
Use an area model to divide:
228 divided by 12
Split 228 into 120 and 108
Divide 120 by 12
Divide 108 by 12
Add the two answers together to get 19
Michelle buys 13 bags of gravel for her fish aquarium. If each bag weighs 12 pounds, how many pounds of gravel did she buy?
156 pounds
1,322 divided by 18
1,200 divided by 20=60
1,400 divided by 20=70
What is Ms. Scheffler's favorite holiday?
Christmas