2nd Grade Benchmark 3 Review

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is the total distance around the rectangle. It can be calculated by adding the lengths of all four sides.

Front

If a rectangle has a length of 10 units and a width of 5 units, what is its perimeter?

Back

The perimeter is 30 units (P = 2 * (length + width) = 2 * (10 + 5)).

Front

What is the unknown number in the equation: 15 + 29 = ______ + 14?

Back

The unknown number is 30.

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another.

Front

What is 70 - 34?

Back

The answer is 36.

Front

If Jen has 53 shells and Jack has 22 fewer shells, how many shells do they have in total?

Back

They have 84 shells in total.

Front

What is 945 - 258?

Back

The answer is 687.

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is the sum of 15 and 29?

Back

The sum is 44.