Complete the sentence.
Writing 4 × (10 + 8) as (4 × 10) + (4 × 8) shows application of the ________________.
A. Algorithm
B. area model
C. Distributive property
C. Distributive property
What does 137 round to if you are rounding to the nearest 10's place.
140
How can you decompose a factor to multiply? Draw an area model to represent the multiplication.
124x53
area model and answer
6,572
Use an algorithm to multiply.
144
When things shake quickly
Vibration
Complete the sentence.
In the expression 7 × 9, the number 7 is a(n) ______.
A. product
B. Factor
C. decompose
B. Factor
Round 572 to the nearest 100's place.
600
How can you use partial products to solve?
Use the area model to show your work.
32×84
2,688
Use standard algorithm to multiply.
64x28=
1,792
Electrical energy
a. Energy produced by a power source
b. Energy produced by a machine or moving part
c. Energy that causes a change in temperature between materials
d. How something moves from one place to another
a. Energy produced by a power source
Complete the sentence.
A(n) ________ may be used to find partial products.
A. area model
B. algorithm
C. partial product
B. area model
How can you use rounding to estimate the product of 362 and 7?
400x7=2,800
How can you find the product? Use the area model to find the partial products.
215 × 6 = ?
1,200
Ms. Wood is taking his class on a field trip to see a play. Each student ticket costs $4. It will also cost $42 for all of the chaperones. How much will it cost to take 24 students and the chaperones on the field trip?
138
Motion
a.Energy produced by a machine or moving part
b.When things shake quickly
c. The ability of a system to do work or produce heat; controls the amount of change
d. How something moves from one place to another
How something moves from one place to another
Complete the sentence.
A step-by-step method for multiplying is a(n) ______.
a. algorithm
b. product
c. area model
a. algorithm
How can you use a range to estimate the product of 235 and 6?
200x6=1200
250x6=1500
The Tigers football games sold out 4 games in a row. There were 461 people attending each game. What is the attendance for the 4 football games in total?
Use an area model.
1,844
Look at the problem.
What is the product? Enter the answer.
651
Thermal energy
Energy that causes a change in temperature between materials
Complete the sentence.
The partitioned areas inside an area model represent _________.
a. area models
b. distributive properties
c. partial products
c. partial products
A shelf contains 142 boxes of erasers. Each box contains 4 erasers. About how many erasers are on the shelf?
Key: use rounding
about 600 erasers
How can you use partial products to solve?
Use the area model to show your work.
321×80
25,680
Jessica earns $65 per week walking dogs. How much money does she earn in 9 weeks?
585
A guitar is an example of sound energy production because—
the strings vibrate when plucked.