Vocabulary
A ___________ is a number close to an exact value.
estimate
43x5=
215
312x7=
2,184
8,504x3=
25,512
If Jeremy reads 486 pages in 1 month how many will he have read in 6 months?
2916 pages
The ______________ combines multiplication and addition by multiplying each addend by the number and adding the products.
Distributive property
95x4=
380
358x5=
1,790
6,007x6=
36,042
Blake has 207 model cars, but Billy has 2 times as many model cars. How many does Billy have?
414 model cars
To use _______ __________ find the product for the ones, tens, and so forth separately and then add them together
Partial products
34x8=
272
269x4=
1,076
2,025x3=
6,075
Rebecca uses 2,345 minutes each month on her cell phone How many minutes will she use in 4 months?
9,380 minutes
A number that divides a whole number evenly.
factor
59x7=
413
403x6=
2,418
6,225x7=
43,575
616 sour punch straws
To _________ is to use place value to exchange equal amounts when renaming a number
regroup
74x8=
592
108x6=
648
1,748x8=
13,984
Diana reads 1,066 pages each month. How many will she have read in 7 months? Is an estimate or exact answer needed?
7,462 pages, exact answer is needed