Day 1 ILEARN MATH REVIEW - number sense, +/-

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number. For example, the factors of 10 are 1, 2, 5, and 10.

Front

What are all the factors of 10?

Back

1, 2, 5, 10

Front

What are common factors?

Back

Common factors are numbers that are factors of two or more numbers. For example, the common factors of 36 and 42 are 1, 2, 3, and 6.

Front

What factors do 36 and 42 have in common?

Back

1, 2, 3, 6

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum.

Front

Which answer uses the distributive property to rewrite the following? 18(11 + 8)

Back

(18 x 11) + (18 x 8)

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operations (like addition and multiplication) without an equals sign.

Front

Which of the following expressions is equal to the equation below? (60 x 8) x 9

Back

60 (8 x 9)

Front

What is a variable in math?

Back

A variable is a symbol (often a letter) that represents a number in an expression or equation.

Front

What is the cost of 1 hot dog if April bought 2 hot dogs and 1 hamburger for $18.00?

Back

$6.00