Add and subtract whole numbers Quiz Welcome to your Add and subtract whole numbers Quiz Please click "Next" Determine the sum 1,003 + 2,320When stating the answer, please include commas in the number if applicable (no spaces) Determine the difference 340,983 - 34,605When stating the answer, please include commas in the number if applicable (no spaces) Add the following numbers 56,454 + 2,320When stating the answer, please include commas in the number if applicable (no spaces) Fill in the blank 1,003 + = 6,230,671When stating the answer, please include commas in the number if applicable (no spaces) Fill in the blank 450,100 - = 450,066When stating the answer, please include commas in the number if applicable (no spaces) Time is Up! Time's up