Envision Topic 4 Assessment

Front

What is addition?

Back

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

Front

What is the sum of 28 + 16 + 22 + 20?

Back

86

Front

How do you find the total number of dolphins in three zoos with 26, 53, and 7 dolphins?

Back

Add the numbers: 26 + 53 + 7 = 86 dolphins.

Front

What is mental math?

Back

Mental math is doing calculations in your head without using paper or a calculator.

Front

Solve 64 + 17 using mental math.

Back

81

Front

What does it mean to regroup in addition?

Back

Regrouping means to carry over a value from one place value to another when the sum exceeds 10.

Front

In which problem do you need to regroup? 54 + 38 or 43 + 44?

Back

54 + 38 requires regrouping.

Front

What is the missing number in 6 + 14 + ___ = 25?

Back

5

Front

What is a place value block?

Back

A place value block is a visual tool used to represent numbers and their values in different places (ones, tens, hundreds).

Front

What is the process to solve 54 + 38?

Back

First, add the ones: 4 + 8 = 12 (regroup 1). Then add the tens: 5 + 3 + 1 = 9. The answer is 92.