Sum Difference Estimate Review

Front

What is estimation in addition?

Back

Estimation in addition is a method used to find an approximate sum of two or more numbers without calculating the exact total.

Front

Estimate the sum: 5,248 + 2,712

Back

A little less than 8,000

Front

What is the difference in subtraction?

Back

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

Front

Calculate: 2,115 - 1,376

Back

739

Front

What does it mean to find the total?

Back

Finding the total means adding together all amounts to get a complete sum.

Front

Lamar has 529 autographs and Toni has 339. How many do they have together?

Back

868

Front

What is the purpose of estimating sums?

Back

Estimating sums helps to quickly assess the size of the total without exact calculations.

Front

Calculate: 8,987 - 5,852

Back

3,135

Front

What is a word problem in math?

Back

A word problem is a mathematical question presented in a narrative form, requiring interpretation to solve.

Front

Marcus bought groceries for $547. If Kroger cost $408, how much did the second store cost?

Back

$139