Math Review 1 (LRC Math)

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 876,543, the digit 7 is in the ten thousands place.

Tags

CCSS.4.NBT.A.2

Front

What is the place value of the digit 7 in the number 876,543?

Back

The place value of the digit 7 in the number 876,543 is ten thousands.

Tags

CCSS.4.NBT.A.1

Front

How do you calculate the total number of items given away?

Back

To calculate the total number of items given away, multiply the number of items given to each person by the number of people. For example, if Anna gives 23 apples to each of her 7 friends, the total is 23 x 7 = 161 apples.

Tags

CCSS.3.OA.D.8

Front

If Anna gives 23 apples to each of her 7 friends, how many apples does she give away in total?

Back

Anna gives away a total of 161 apples.

Tags

CCSS.3.OA.A.3

Front

What does it mean to say one number is 'times as many' as another?

Back

It means to multiply the second number by a certain factor to get the first number. For example, 48 is 8 times as many as 6 because 6 x 8 = 48.

Tags

CCSS.4.OA.A.1

Front

48 is ____ times as many as 6.

Back

48 is 8 times as many as 6.

Tags

CCSS.4.OA.A.1

Front

How do you find the total when combining quantities?

Back

To find the total when combining quantities, add the amounts together. For example, if Rachel washed 7 dishes and Mila washed 35 dishes, together they washed 7 + 35 = 42 dishes.

Tags

CCSS.2.OA.A.1

Front

Rachel washed 7 dishes. Mila washed 5 times as many dishes. How many dishes did they wash altogether?

Back

They washed a total of 42 dishes.

Tags

CCSS.4.OA.A.2

Front

How do you calculate the remaining quantity after giving some away?

Back

To calculate the remaining quantity, subtract the amount given away from the original amount. For example, if Joel has 1,234 apples and gives away 567, he has 1,234 - 567 = 667 apples left.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Joel has 1,234 apples and gives 567 apples to Ben. How many apples does he have left?

Back

Joel has 667 apples left.

Tags

CCSS.4.OA.A.3