Quarter Exam Review

Round off each factor to the highest place value to estimate the products.

63.78 X 7.3

Round off each factor to the highest place value to estimate the products.

123.45 X 37.1

Use compatible numbers to estimate the quotient.

237.6 ÷ 10.3

Use compatible numbers to estimate the quotient.

464.91 ÷ 99.8

Given the shapes on the right, write the ratio of moon:smiley in simplest form.

Given the shapes on the right, write the ratio of heart:moon in simplest form.

Given the shapes on the right, write the ratio of cloud:smiley in simplest form.

Given the shapes on the right, write the ratio of cloud:all in simplest form.

Given the shapes on the right, write the ratio of heart:smiley in simplest form.

Click True if the given ratio is a unit ratio, otherwise, click False.

40 pencils in 4 boxes=10 pencils in each box.

• True
• False