Estimating Quotients with compatible numbers

Compatible numbers are:

• Fake numbers
• The grocery store
• Numbers that help make math easier and are friendly
• The best numbers

• about 80

• about 50

• about 100

• about 70

• about 700

• about 900

• about 70

• about 90

• about 40

• about 20

• about 30

• about 300

• about 50

• about 40

• about 500

• about 400

• about 6,000

• about 7,000

• about 700

• about 600