Estimating Sums

What is the estimated sum of 432 and 789?

• 1 100

• 1 200

• 1 300

• 1 400

When you round 3,567 and 2,428 to the nearest thousand, what is the estimated sum?

• 5 000

• 6 000

• 7 000

• 8 000

How much is the estimated sum of 876 and 1,635 when rounded to the greatest place value?

• 2 000

• 2 500

• 3 000

• 3 500

What do you get when you estimate the sum of 1,278 and 2,947 by rounding to the greatest place value?

• 3 000

• 4 000

• 5 000

• 6 000

How would you estimate the sum of 2,467 and 4,832 by rounding each number to the greatest place value?

• 6 000

• 7 000

• 8 000

• 9 000

What is the estimated sum of 9,872 and 3,214 when both are rounded to the greatest place value?

• 12 000

• 13 000

• 14 000

• 15 000

What do you get when you estimate the sum of 7,894 and 1,245 by rounding both numbers to the greatest place value?

• 8 000

• 10 000

• 9 000

• 11 000

Which is the estimated sum of 4,563 and 2,987?

• 8 200

• 8 400

• 8 500

• 8 000

During a school fundraiser, the third-grade class raised ₱ 845, and the fourth-grade class raised ₱1 630. About how much money did both classes raise together?

• ₱ 2 000

• ₱ 2 400

• ₱ 2 500

• ₱ 2 800

The school library added 4 112 new fiction books and 2 789 new non-fiction books this year. About how many new books were added in total?

• 6 500

• 6 800

• 7 000

• 7 500