GM 4th grade Math Study Guide

Th population of Pleasantville is 2,378.

What is the population of the city rounded to the nearest hundred?

• 2000

• 2300

• 2380

• 2400

Move the numbers in order to represent 1,507 in expanded form.

• 1000 + 507

• (1000+50+7)

• (1 x 1000) +(5 x 100) + (0 x 10) + (7 x 1)

• 1500 + 0 +7

Subtract 2,406 - 157

• 2,249

• 2,259

• 2,349

• 2,351

Organize these options into the right categories

Groups:

(a) Less than 7,392

,

(b) Equal to 7,392

• 7000+300+90+7000+200+90+2

• (7x1000)+ (3x100)+(9x10)+(2x1)

• 8,227-835

• 7000+300+90+2

Erin, Michael, Beth and Denise went fishing. Erin caught a fish that weighs 12 ounces, Michael caught a fish that weighed 2 times as much as Erin's fish does. Beth caught a fish that weighs 28 ounces, Denise caught a fish that weighs 10 ounces less than Beth's fish weighs.

Put them in order from least to greatest.

• Erin, Denise, Beth, Michael

• Erin, Denise, Beth, Michael

• Erin, Beth, Michael, Denise

• Erin, Denise, Michael, Beth

Which comparison is true?

• 5,678 < 5,768

• 6,980 < 6,098

• 9,768 < 9,678

• 10,005 < 9,866

A factor pair of 93 is 1 and 93.

What is another factor pair of 93?

• 3 and 9

• 3 and 31

• 9 and 10

• 3 and 90

Select the number that is a multiples of 8?

• 22

• 56

• 68

• 84

Put the factors in the correct column.

Groups:

(a) Factors of JUST 12

,

(b) Factors of BOTH 12 & 16

,

(c) Factors of JUST 16

• 3

• 12

• 2

• 8

• 4

• 1

• 16

• 6

Which number is a PRIME number?

• 15

• 21

• 33

• 47