Find the Unknown Number

Mrs. Fernandez bought erasers for her students that were winter themed. She bought 80 packs with 6 erasers in each pack. How many erasers did Mrs. Fernandez purchase for her students?

Subtract to find the unknown.

649 - 202 =

• 300

• 347

• 447

• 450

Subtract to find the unknown.

906 - 384 =

• 500

• 522

• 602

• 622

Subtract to find the unknown.

1,012 - 362 =

• 600

• 640

• 650

• 770

Subtract to find the unknown.

3,012 - 1,225 =

• 1,787

• 2,000

• 2,243

• 2,787

What unknown number makes this equation true?

___ = 881 - 72

• 819

• 161

• 811

• 809

Answer explanation

Don't forget to borrow and regroup!

What unknown number makes this equation true?

• 56

• 64

• 46

• 54

9 x ____ = 81

6 x ___ = 36