4th Grade Semester 1 Math Review

Front

What is a true comparison statement between fractions?

Back

3/8 > 1/5 is true because when converted to decimals, 3/8 = 0.375 and 1/5 = 0.2.

Front

If Gloria harvested 3 1/2 pounds of apples and gave away 1 3/4 pounds, how many pounds does she have left?

Back

1 3/4 pounds remaining.

Front

How do you find out how many minutes Becky read if she read 1,200 minutes more than Steve who read for 6,450 minutes?

Back

Becky read for 7,650 minutes (6,450 + 1,200).

Front

What number would make all ticket sellers correct in their rounded estimates of concert attendees?

Back

15,499 is correct because it rounds to 15,300, 15,000, and 16,000.

Front

List the multiples of 7 up to 100.

Back

7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98.

Front

What is a fraction?

Back

A fraction represents a part of a whole, expressed as a numerator over a denominator.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value (like tens, hundreds, etc.).

Front

What is the difference between a proper fraction and an improper fraction?

Back

A proper fraction has a numerator smaller than its denominator, while an improper fraction has a numerator larger than or equal to its denominator.

Front

How do you add mixed numbers?

Back

Convert to improper fractions, add them, and then convert back to a mixed number if necessary.

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest number that is a multiple of two or more numbers.