Adding and Subtracting Whole Numbers

Mary and Diana collect pencils. Mary has 35 pencils in her collection. Diana has 20 more pencils in her collection than Mary. What is the total number of pencils between the two girls?

• 55

• 90

• 89

• 80

693 minus 150 equals _____

881 minus 79 equals _____

21,173-14,108

• 13,075

• 35,281

• 7,055

• 7,065

A crayon company makes 17,491 green crayons, 16,262 blue crayons, and 15,063 red crayons. How many more green crayons are made than red crayons?

• 2,428 crayons

• 3,463 crayons

• 10,456 crayons

• 32,554 crayons

more people attended the museum on Sunday than on Monday and Tuesday combined.

• 1,420 more people

• 152 more people

• 564 more people

• 374 more people

21,650 - 3,901

• 17,749

• 18,748

• 18,749

• 17,740

3,258+1,761

• 4,919

• 5,019

• 4,019

• 2,517

16,018+135

• 16,153

• 16,123

• 161,413

• 16,143

14,926+3,832

• 18,658

• 17,758

• 11,114

• 18,758