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Order of Operations
Vocabulary
Comparison
Word Problems
Multiplication
100

15 X 2 + 3 X 4 - 16

26

100

This states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products. 

distributive property

100

Write a comparison sentence  for

5 X 9 = 45

____ times as many as ___ is ____

5 times as many as 9 is 45

100

Maddox has 4 boxes with 32 marbles in each box. He has 7 boxes with 18 shells in each box. If he gets 20 marbles from a friend, how many marbles and shells does he have?

274 marbles and shells

100

75 X 5

375

200

8 X 42 + 3 X 59 - 62

451

200

A number multiplied by another number to find a product is called a 

factor

200

9 times as many as 4 is ______

36

200

Trina has 2 bags with 14 pinecones in each bag. She has 7 boxes with 15 acorns in each box. If she trades 5 pinecones for 10 acorns, how many pinecones and acorn does she have?

138

200

Use expanded form to solve

5 X 64

320 

5 X 60 = 300

5 X 4 = 20

300 + 20 = 320

300

6 X 27 + 2 X 47 - 83

173

300
To find the product of a two-digit number and a 1-digit number, you can multiply the tens, multiply the ones, and find the sum of each one of these

partial product

300

35 is ____ times as many as 5

7

300
Aubri has 3 books with 64 pages each and 2 books with 16 pages each. If she has already read 78 pages, how many does she have to read to finish all of the books?

146

300

4 X 18 X 25

1,800

400

3 X 22 + 7 X 41 - 24

329

400

This states that you can change the order of the factors to multiply the factors that you know first

commutative property

400

Write a comparison sentence

54 = 6 X 9


54 is 6 times as many as 9

400

Pineview has 3 4th grade classrooms. Each classroom has 14 tables. Two students sit at each table. About how many students are there in all?

About 60

3 X 14 X 2

400

1,592 X 6

9,552

500

What's the error in the following:

5 X 12 + 4 X 20 - 15 = n

60 + 4 X 20 - 15=n

64 X 20 - 15 =n

1,280 - 15 = n

1,265 = n

they did not follow the order of operations

500

When you try to determine about how much something may be you do this

estimate

500

Write a comparison sentence.

5 X 64 =

5 times as many as 64 is 320

500

Maggie has 3 binders with 25 stamps in each binder. She has 5 binders with 24 baseball cards in each binder. If she gives 35 stamps to a friend, how many stamps does she have left?

160 stamps and cards

500

4 X 6 X 50

1,200