Solve, Please!
4 x 345
1,380
Solve this equation using the Short Cut method: 678 X 4
2,712
What do you do to the numbers in the equation when you're asked to estimate the answer?
Round the numbers to find the estimated answer.
There are 27 pencils in a box. If there are 20 boxes, how many pencils are there?
540 pencils
A case of water contains 24 bottles with 32 ounces of water in each. Mr. Atkins bought 8 cases. How many bottles did he buy?
We do not need to know how many ounces of water are in each bottle.
34 x 23
782
Make an area model for 29 x 48 and use expanded notation method to find the answer.
Miss V will check for correct answers
Why does estimating the answer help you?
It helps you know if your answer is correct because it shows how close you are.
There is a book sale at the library. Each book is $4. If 239 books are sold, how much money will be made at the sale?
$956
Ellen trained for 20 weeks. Each week she rode her bike 90 miles and ran 18 miles. Tomorrow, she will ride her bike in a 100-mile race. How many miles did Ellen ride during her training?
We do not need to know she is in a 100-mile race tomorrow.
29 x 48
1,392
The 4 different multiplication methods we have learned this Unit are....
Estimated: 600 ; Real: 510
Parmesan loves new toys! If she has 34 toys right now and each toy cost Miss V $13, how much money has Miss V spent on toys for her?
$442
Raj's baseball team is selling T-Shirts to raise moeny for new uniforms. They earn $6 for each shirt they sell. How many shirts do they need to sell to have enough money for the uniforms?
We need to know how much the uniforms will cost.
5,789 x 8
46,312
What method has you label the rectangles in sections?
All methods besides Short Cut method
True or False: an estimation of 8 x 93 is 2,700
False; it is 720.
There are 3,456 cookies at the bake sale. Each cookie costs $5. How much money will the sale make on cookies?
$17,280
It takes Frank 20 minutes to walk 1 mile. If he leaves his house at 2:00, will he get to Alex's house before 3:30?
We need to know how far Alex's house is.
Draw an area model and solve: 7 x 5,432
38,024
Use the following equation and factor out the 10s using the Expanded Notation Method : 20 x 40
20 x 40 = (2x10) x (4x10)
= (2x4) x (10x10)
= 8 x 100
= 800
Find 6 x 8,976. Use estimation to explain why your answer is reasonable.
53,856 ; 54,000 is the estimated answer and it helps me know that my answer is reasonable because I rounded up when estimating, which means my estimated answer would be a bit higher than the real answer.
A gardener plants tulip bulbs in a row. He plants 28 rows of tulip bulbs with 24 bulbs in each row. How many tulip bulbs did the gardener plant?
672 Tulip Bulbs
Solve: Malik works at a bike shop. His boss asks him to check the pressure on all the tires in the shop. There are 59 bicycles, 16 tricycles, and 4 unicycles. How many tires does Malik have to check?
59x2=118 bicycle tires ; 16x3=48 tricycle tires ; 4x1=4 unicycle tires ; 118 + 48 + 4 = 170 tires