Estimating Sum

1.Estimate the sum: 43+22

• 55

• 50

• 60

• 20

2. Estimate the sum: 123 + 456

• 580

• 650

• 500

• 600

3. Estimate the sum:

2,764 + 4,851

• 7,000

• 5,000

• 6,000

• 8,000

4. Estimate the sum to the greatest place value they have in common.

25,219 + 4,876

• 29,000

• 30,000

• 31,000

• 35,000

5. Estimate the sum to the greatest place value they have in common.

4,568 + 794

• 5,800

• 5,400

• 5,500

• 5,300

6. Estimate the sum to the greatest place value they have in common.

36,597 + 571

• 37,100

• 38,000

• 37,200

• 40,600

7. What is the estimated sum of

490 + 256 + 445?

• 1,100

• 1,200

• 1,300

• 1,400

8. If you have 382, you might say you have ABOUT....

• 400

• 450

• 390

• 350

9. If you have 819, you might say you have approximately...

• 900

• 820

• 810

• 880

10.Mrs. Torres used 1,820 pencils last year. This year she thinks she will use 1,932 pencils. About how many pencils is that all together?

• 3,000

• 3,700

• 4,000

• 3,752