addition for grade 1

What is the commutative property of addition?

• The commutative property states that changing the order of the numbers in an addition problem does not change the sum.

• The commutative property states that the sum of two numbers is always greater than either number.

• The commutative property states that addition can only be performed on whole numbers.

• The commutative property states that the sum of two numbers is equal to their product.

What is a fact family in addition?

• A group of unrelated numbers used in addition and subtraction.

• A group of related addition and subtraction facts that use the same numbers.

• A family of numbers that only includes even numbers.

• A set of numbers that can only be added together.

What is the role of zero in addition?

• Zero is the additive identity, meaning that adding zero to any number does not change the value of that number.

• Zero is a number that represents nothing and has no effect on addition.

• Zero is a placeholder in the decimal system and does not affect addition.

• Zero is a negative number that decreases the value of any number when added.

What is a double in addition?

• A double is when you add a number to itself, such as 4 + 4.

• A double is when you subtract a number from itself, such as 4 - 4.

• A double is when you multiply a number by two, such as 4 x 2.

• A double is when you divide a number by two, such as 4 / 2.

What is the definition of addition?

• Addition is the mathematical operation of combining two or more numbers to get a total.

• Addition is the process of finding the difference between two numbers.

• Addition is the operation of multiplying two numbers together.

• Addition is the method of dividing a number into equal parts.

What is a number line and how is it used in addition?

• A number line is a visual representation of numbers in a straight line, used to help understand addition by showing the distance between numbers.

• A number line is a tool used for measuring angles in geometry.

• A number line is a method for calculating the area of shapes.

• A number line is a type of graph used to display statistical data.

What is six plus three?

• Seven

• Eight

• Nine

• Ten

What is a sum?

• A sum is the result of subtracting two numbers.

• A sum is the result of multiplying two numbers together.

• A sum is the result of adding two or more numbers together.

• A sum is the result of dividing two numbers.

What is the result of adding 10 and 10?

• 15

• 20

• 25

• 30

What do you get when you add nine and nine?

• Seventeen

• Eighteen

• Nineteen

• Sixteen