Remember: Add back what you took away. If you land on the start, it is right.
Questions
1
Is it correct that ninety take away forty-three is forty-six?
YesNo
2
Which answer is correct?
seventy-two take away thirty-five is forty-sevenseventy-four take away thirty-eight is thirty-sixsixty-two take away twenty-seven is forty-five
3
Which answer is not correct?
eighty-five take away twenty-nine is sixty-foursixty-six take away twenty-eight is thirty-eighteighty-five take away twenty-nine is fifty-six
4
Which answer is not correct?
seventy-two take away thirty-five is forty-sevenseventy-two take away thirty-five is thirty-sevenfifty-three take away eighteen is thirty-five
5
Which answer is correct?
sixty-two take away twenty-seven is thirty-fiveninety take away forty-three is forty-sixeighty-five take away twenty-nine is fifty-seven
6
Which answer is correct?
seventy-two take away thirty-five is forty-sevenfifty-three take away eighteen is forty-fiveeighty-one take away fifty-four is twenty-seven
7
Is it correct that sixty-six take away twenty-eight is thirty-eight?
YesNo
8
Which answer is correct?
seventy-four take away thirty-eight is thirty-fiveseventy-four take away thirty-eight is forty-fourseventy-two take away thirty-five is thirty-seven
9
Which answer is correct?
fifty-three take away eighteen is thirty-fivesixty-two take away twenty-seven is forty-fiveeighty-five take away twenty-nine is sixty-four
10
Which answer is correct?
sixty-two take away twenty-seven is thirty-foureighty-five take away twenty-nine is fifty-sixeighty-five take away twenty-nine is sixty-four
11
Which answer is not correct?
sixty-two take away twenty-seven is forty-fiveeighty-five take away twenty-nine is fifty-sixeighty-one take away fifty-four is twenty-seven
12
Which answer is not correct?
sixty-two take away twenty-seven is thirty-fiveeighty-five take away twenty-nine is fifty-sixeighty-five take away twenty-nine is fifty-seven
Scan the code at the top to mark this sheet on screenTake a photo of your answers or type them. It is marked for you automatically, and your score is kept.
Answer key · Set C
Checking by adding back
1No
2seventy-four take away thirty-eight is thirty-six
3eighty-five take away twenty-nine is sixty-four
4seventy-two take away thirty-five is forty-seven
5sixty-two take away twenty-seven is thirty-five
6eighty-one take away fifty-four is twenty-seven
7Yes
8seventy-two take away thirty-five is thirty-seven
9fifty-three take away eighteen is thirty-five
10eighty-five take away twenty-nine is fifty-six
11sixty-two take away twenty-seven is forty-five
12eighty-five take away twenty-nine is fifty-seven
Mark each answer, count the right ones and write the score on the sheet.