Estimating Sums: Rounding to Nearest Ten in Math

A bakery made 47 cupcakes and 36 cookies. Estimate how many baked goods they made in total by rounding to the nearest ten.

• 100

• 70

• 80

• 90

A farmer has 82 apples and he picks 29 more. Estimate how many apples he has now by rounding to the nearest ten.

• 100

• 90

• 120

• 110

A library has 154 books. If 29 books are checked out, estimate how many books are left by rounding to the nearest ten.

• 130

• 140

• 150

• 120

A toy store sold 68 action figures and 45 dolls. Estimate the total number of toys sold by rounding to the nearest ten.

• 100

• 130

• 150

• 120

A school has 123 students in the morning and 87 students in the afternoon. Estimate the total number of students by rounding to the nearest ten.

• 200

• 220

• 190

• 210

A gardener planted 76 flowers and 34 shrubs. Estimate how many plants were planted in total by rounding to the nearest ten.

• 110

• 90

• 120

• 100

A zoo has 215 visitors in the morning and 128 in the afternoon. Estimate the total number of visitors by rounding to the nearest ten.

• 350

• 250

• 300

• 400

A restaurant served 89 meals for lunch and 56 meals for dinner. Estimate the total meals served by rounding to the nearest ten.

• 150

• 130

• 160

• 140

A bookstore has 145 novels and 78 magazines. Estimate how many books are in the store by rounding to the nearest ten.

• 240

• 200

• 220

• 230

A concert had 234 tickets sold in advance and 67 tickets sold at the door. Estimate the total tickets sold by rounding to the nearest ten.

• 300

• 250

• 280

• 320