Adding and Subtracting Whole Numbers: math test, Grade 4 – download the PDF

1 Compute / 4 pts

Find each answer. Show the standard algorithm.

1. \(5{,}682 + 3{,}759\)
2. \(70{,}415 + 8{,}987\)
3. \(9{,}004 - 3{,}675\)
4. \(60{,}000 - 24{,}318\)

2 Estimate / 3 pts

Round to the nearest thousand.

1. Estimate \(7{,}865 + 4{,}230\).
2. Estimate \(9{,}482 - 5{,}610\).
3. The exact sum in part a is 12,095. Is it reasonable? Explain.

3 Check the answer / 3 pts

Ravi says that \(8{,}300 - 4{,}756 = 3{,}644\).

1. Use addition to check his answer.
2. Find the correct answer.
3. What mistake did Ravi probably make?

4 Aquarium visitors / 3 pts

An aquarium had 14,250 visitors in June, 18,765 in July, and 16,980 in August.

1. How many visitors came in all three months?
2. How many more visitors came in July than in June?

5 School fundraiser / 4 pts

A school wants to raise 15,000 dollars. The fair raised 6,475 dollars. The bake sale raised 3,850 dollars less than the fair.

1. Draw a bar model comparing the fair and the bake sale.
2. How much did the bake sale raise?
3. How much was raised in all?
4. How much more does the school need to reach its goal?

6 Mystery number / 3 pts

I think of a number. I add 2,578 and then subtract 1,909, and I get 9,000. Find my number.