Quick Check #1 4th Grade RC2-Sanders

Front

What is an array in mathematics?

Back

An array is a systematic arrangement of objects, usually in rows and columns, used to represent multiplication and division.

Front

What does the equation 13 x 14 represent?

Back

It represents the total number of items in an array with 13 rows and 14 columns, which equals 182.

Front

How do you calculate the total number of visitors in a museum after a certain time?

Back

Add the number of visitors who arrived and subtract the number of visitors who left.

Front

If 294 visitors arrived in the first hour, 408 in the second, and 313 in the third, how do you find the total?

Back

Total visitors = (294 + 408 + 313) - (0 + 89 + 175) = 751.

Front

What fraction of cereal is left if 4/9 was eaten?

Back

If 4/9 was eaten, then 5/9 of the cereal is left.

Front

What does it mean to find the total number of tickets sold?

Back

It means to multiply the number of performances by the number of tickets sold per performance.

Front

How do you calculate the total tickets sold for 8 performances with 2,464 tickets each?

Back

Total tickets = 8 x 2464 = 19,712.

Front

What is a mixed number in mathematics?

Back

A mixed number is a whole number combined with a proper fraction, such as 4 5/8.

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 equation to find the total bags of dirt Kendrick used?

Back

The equation is 4 + 9 + 5/8 + 1/8 = 13 6/8.