Addition and Subtraction Crossword Puzzle

QUESTIONS LIST:

• word form : a way of using words to write a number
• expanded form : a way to write numbers that shows the place value of each digit
• difference : the amount remaining after one quantity is subtracted from another
• equation : a mathematical sentence with an equal sign. the amount on one side of the equal sign has the same value as the amount on the other side.
• sum : the answer to an addition sentence
• standard form : he common or usual way of writing a number
• addend : any number being added
• digit : any of the following symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
• decompose : to separate into it's place value
• unknown : the missing answer that you are trying to figure out