Chapter 1 Mid-Point Review

Place Value

100

100 is 10 times as much as _____?

10

200

800 is 1/10 as much as _____?

8000

300

What is the value of the 7 in the following number?

8,712,354?

700,000

400

Janice bought 80 markers for her classroom. On the day they arrived, only 1/10 of the them came. How many markers does she have?

8 Markers

500

Mark decided to burn some calories (get fit son!). He burned a total of 200 calories in one work out. He looked up healthy exercise, and realized he needs to burn 10x more to reach his goal. How many calories should he burn?

2,000 calories

Properties

100

Which property does this show?

7 x 8 = 8 x 7

Communicative Property of Multiplication

200

Which property does this show?

9 + 0 = 9

Identity property of Addition

300

Complete the equation, and tell which property wuld be used.

8 + (9 + 6) = (______) + 6

(8 + 9); Associative Property of Addition

400

Complete the equation, and tell which property you used

9 x (11 + 4) = ______ + (9 x 4)

(9 x 11); Distributive Property

500

How could you rewrite the expression 5 x 26 using the distributive property?

Possible Answer: (5 x 20) + (5 x 6);

 (5 x 15) + (5 x 11)

(5 x 10) + (5 x 16)

Exponents

100

Find the value:

10⁴

10,000

200

Find the value:

7 x 10³

7,000

300

A football field is 4,000 square meters. How could someone rewrite the area as a whole number multiplied by a power of 10?

4 x 10³

400

How could you rewrite 63,000,000 as a whole number multiplied by an exponent?

63 x 10⁶

500

The area of a city is 14,000 meters. How could the city mayor rewrite this as a whole number multiplied by a power of ten to please the math gurus of the city?

14 x 10³

Multiplication Patterns

100

Solve using mental math and patterns:

20 x 40

800

200

Solve using mental math and patterns

70 x 4000

280,000

300

Solve using mental and math and patterns

(5 x 4) x 10⁴

200,000

400

Solve using mental math and patterns

(5 x 6) x 10⁷

300,000,000

500

Hadrian just got a high score in his favorite game. (Good job Hadrian). The game, though, gave him the score of 40 x 9000. How could Hadrian use mental math to calculate his answer mentally?

1. First, find the basic math fact (4 x 9)

2. Then, see how many zeroes will be in the product.

3. Use math fact and zeroes and put them together

Answer: 360,000

Mystery Section

100

Can a peacock fly?

Yes. (But very clumsily)

200

What is Mr. Reese's favorite color.

Burgundy (But red works too).

300

Can you pass this test?

Yes.

400

How many quarts are in a gallon?

4 Quarts!

500

What is Mr. Reese eating for dinner tonight? 

(Hint: It's long and Italian-y)

Pasta with a sausage sauce. (Mmmm...)