2nd Grade math review

Front

What is subtraction?

Back

Subtraction is taking away a number from another number. For example, in 5 - 2, we take away 2 from 5, which equals 3.

Tags

CCSS.2.OA.A.1

Front

What is the place value of a digit?

Back

Place value tells us the value of a digit based on its position in a number. For example, in 546, the 4 is in the tens place, so its value is 40.

Tags

CCSS.4.NBT.A.1

Front

What does 'greatest to least' mean?

Back

'Greatest to least' means arranging numbers from the largest to the smallest. For example, 5, 3, 8 arranged from greatest to least is 8, 5, 3.

Tags

CCSS.1.NBT.B.3

Front

What is 10 less than a number?

Back

To find 10 less than a number, subtract 10 from that number. For example, 10 less than 20 is 10.

Tags

CCSS.1.NBT.C.5

Front

What is a word problem in math?

Back

A word problem is a math question written in words that requires you to use math to find the answer. For example, 'If you have 5 apples and you eat 2, how many do you have left?'

Tags

CCSS.2.OA.A.1

Front

What is the sum of two numbers?

Back

The sum is the result of adding two or more numbers together. For example, the sum of 3 and 4 is 7.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals. It helps us understand the order of numbers and perform addition and subtraction.

Tags

CCSS.2.MD.B.6

Front

What is the difference in subtraction?

Back

The difference is the result of subtracting one number from another. For example, in 8 - 3, the difference is 5.

Tags

CCSS.1.OA.A.1

Front

What does 'more than' mean in math?

Back

'More than' means to add a certain amount to a number. For example, 5 more than 3 is 8.

Tags

CCSS.1.OA.A.1

Front

What is a digit?

Back

A digit is any single number from 0 to 9. For example, in the number 345, the digits are 3, 4, and 5.

Tags

CCSS.2.OA.C.3