5A Unit 2 Estimation of Large Numbers Quiz

1. The figure below is divided into _____ equal-sized sections. There are _____ books in the circled section.

• 5, 12
• 4, 12
• 5, 13
• 4, 13

2. Estimate the number of books in the figure below. Use the section chosen for estimation. There are about (a)   books altogether.

3. The figure below is divided into _____ equal-sized sections. There are _____ models in the circled section.

• 6, 9
• 3, 8
• 3, 9
• 6, 8

4. Estimate the number of models in the figure below. Use the section chosen for estimation. There are about (a)   models altogether in the figure.

5. The hall is divided into 6 equal-sized divisions. Each division has about the same number of students. There are (a)   students in the circled division.

6. Estimate the number of students in a hall below. Use the section chosen for estimation. There are about (a)   students altogether in the hall.

7. Choose the correct answer.

• 20 × 8 × 7
• 25 × 8 × 7
• 30 × 8 × 7
• 35 × 8 × 7

8. Choose the correct answer.

• Yes
• No

9. Choose the correct answer.

• Yes
• No

10. Choose the correct answer.

• Yes
• No