2nd Grade DCA 2 Review

Front

What is the standard form of a number?

Back

The standard form of a number is the way of writing numbers using digits, without any addition or place value breakdown. For example, the standard form of 100 + 20 + 9 is 129.

Front

What is the result of subtracting 10 from 35?

Back

The result of subtracting 10 from 35 is 25.

Front

If Brittney has 56 pieces of candy and gives 23 to her sister, how many pieces does she have left?

Back

Brittney has 33 pieces of candy left after giving 23 to her sister (56 - 23 = 33).

Front

How do you read the time 2:30 on a clock?

Back

The time 2:30 is read as 'two thirty' or 'half past two'.

Front

What is the sum of 5 + 6 + 4 + 4 + 1?

Back

The sum of 5 + 6 + 4 + 4 + 1 is 20.

Front

What is addition?

Back

Addition is a mathematical operation that combines two or more numbers to get a total or sum.

Front

What is subtraction?

Back

Subtraction is a mathematical operation that represents the operation of removing objects from a collection.

Front

What is the concept of place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 129, the '1' is in the hundreds place, the '2' is in the tens place, and the '9' is in the ones place.

Front

How do you solve a word problem involving subtraction?

Back

To solve a word problem involving subtraction, identify the total amount, the amount being taken away, and subtract the two to find the remaining amount.

Front

What is a clock face?

Back

A clock face is the part of a clock that displays the time, usually with numbers from 1 to 12 and two hands that indicate hours and minutes.