FAST Math 3rd Grade Review Part 1

Rounding

100

What is the rule of rounding?

Any number 5 or greater, round up.

Any number 4 or less, round down. 

200

Round 453 to the nearest ten. 

450

300

Round 2,654 to the nearest hundred. 

2,700

400

Round 7,124 to the nearest thousand

7,000

500

Round 15,664 to the nearest ten thousand. 

20,000

Are/Perimeter

100

Describe the three characteristics of area.

1. Area is the space INSIDE the shape. 

2. To find area, find the product of LxW

3. You will use multiplication when finding area. 

200

Describe the three characteristics of perimeter. 

1. Remember "rim"

2. Mostly addition, sometimes multiplication

3. Covers the outside of the shape

300

What is the area of a rectangle that has a length of 12 square centimeters and a width of 5 square centimeters?

60 square centimeters

400

What is the perimeter of a square when you know that one side is 20 centimeters? 

80 centimeters

500

What is the area of a square that has a length of 10 square meters? 

100 square centimeters

Even/Odd

100

What is an odd number? 

An odd number cannot be divided evenly by 2.

200

What is an even number?

An even number can be evenly divided by 2. 

300

Is 12 an even or odd number?

Even

400

Is 565 an even or odd number?

Odd

500

Is 2,554 an even or odd number?

Even

Standard, Expanded, and Word Forms

100

What is the difference between standard, expanded, and word form?

1. Standard form: a number written using only digits.

2. Expanded form: a number broken up by place value.

3. Word form: a number written using only words.

200

Is 2,345,642 in standard form, expanded form, or word form?

Standard Form

300

Write 245 in expanded form. 

200+40+5=245

400

Write 6,559 in word form. 

Six thousand five hundred fifty nine. 

500

Write 9,999,999 in standard, expanded, and word forms. 

1. Standard form: 9,999,999

2. Expanded form: 9,000,000+900,000+90,000+9,000+900+90+9

3. Nine million nine hundred ninety nine thousand nine hundred ninety nine

Equivalent Fractions

100

What is the rule in finding equivalent fractions?

Whatever you do to the top, you must do to the bottom. 

200

What are the two ways to find equivalent fractions?

1. Multiply the numerator and the denominator by the same number. 

2. Divide the numerator and the denominator by the same number. 

300

Are 1/2 and 3/6 equivalent fractions? How do you know?

Yes. Multiply the numerator and denominator by 3. 

400

Are 12/24 and 6/12 equivalent fractions? How do you know? 

Yes. Divide numerator and denominator by 2. 

500

Are 5/16 and 10/8 equivalent fractions? How do you know?

No