Vocabulary
Word Problems
2 Digit by 2 Digit Skills Practice
Fast Fact!
Estimate to Solve
100

To          is to break apart a number into different parts 

decompose

100

Use the table provided:
How many copies of Mary's Lamb would the bookstore sell in 2 years?

1,296 copies

100

98 X 10

980

100

10 x 600

6,000

100

19 X 30

60

200

A sentence that contains an equal sign is a(n)

equation 

200

Use the chart

For a period of three years, how much less would the total orders of Bee's Knees be than the order of Cat's Meow. 

936

200

57 x 18 

1,026

200

400 x 3,000

1,200,000

200

40 X 15

800

300

Multiplication is an                  in which two numbers are multiplied to find a                      

operation    product

300

The average person eats 57 hot dogs per year. Elsie is 82 years old. About how many hot dogs would she have eaten during her lifetime? (Round to the nearest ten.)

about 4,800 hotdogs 

300

12 X 24

288

300

500 x 60,000

30,000,000

300

91 X 48

4,500

400

Factors can be broken apart into               to make multiplying easier.

partial products

400

Kate is baking 15 apple pies for a bake sale. She needs 85 apple slices per pie. How many apple slices does she need in all?

1,275 apple slices

400

65 X 46

2,990

400

9,000 X 8,000,000

72,000,000,000

400

43 x 67

2,800

500

The            states that 43 X 25 = (43 X 20) + (43 X 5)

Distributive property 

500

Dr. Fisher is a biology professor. He teaches 18 classes each year. He has 39 students in each class. How many total students does he teach?

702 Students 

500

91 X 73

6,643

500

750 x 900

675,000

500

Suzy is driving on a road with a speed limit of 9. about 700 miles 65 miles per hour. If she drives for 11 hours on this road, estimate how many miles she will drive.

About 700 miles