Estimation | Baamboozle - Baamboozle | The Most Fun Classroom Games!

English 23 Public

Estimating sums, differences, and products.

Study Slideshow

Round 456 to the nearest hundred

500

Round 714 to the nearest hundred

700

Round 55 to the nearest ten

What will be the new number sentence if we want to estimate 37 x 9? _____ x _____

40 x 9

Use the array model to write a multiplication sentence below.

112

Use the area model to solve the product of 27 and 4.

108

Use the area model to solve the product of 29 and 6.

174

Jennifer is writing thank you cards for her birthday gifts. She has 198 cards written. She needs to write 613 cards. About how many more thank you cards does she need to write?

400

Ms. Muñoz has 457 pens. Then, she got 152 pens as a gift. About how many pens does Ms. Muñoz have in all?

700

Solve the following:

170 minutes

The table below shows how many cupcakes Sandra sold during a baking sale in 4 days. Approximately how many cupcakes did Sandra sell in 4 days?

160

The enrollment at Elsik High School was 878 in 2019. In 2020, the enrollment increased by 432 students. What is the approximate population at Elsik High School?

1,300

The enrollment for basketball was 216 players during the winter. In the spring, enrollment increased by 126 players. What is the approximate of players in all?

300

Mrs. Shelton jogged 143 miles. By the end of the week, she wants to walk 348 miles. About how many miles does Mrs. Shelton need to jog?

200

Ms. Concannon made 253 crafts. She needs to make 821 crafts. About how many more crafts does Ms. Concannon need to do?

500