Remember: When there are too few ones, one ten trades down for ten ones.
Questions
1
Which sum needs no borrow?
seventy-one take away forty-fivefifty-seven take away sixsixty-three take away twenty-eight
2
Which sum needs a borrow?
fifty-eight take away thirty-oneeighty-nine take away thirty-fourninety-two take away fifty-seven
3
Which sum needs a borrow?
forty-eight take away twenty-fiveninety-one take away sixty-fourninety-four take away fifty-one
4
Which sum needs a borrow?
seventy-nine take away forty-fiveeighty-two take away forty-sevenforty-eight take away twenty-five
5
Which sum needs no borrow?
eighty-two take away forty-sevenninety-two take away fifty-seveneighty-six take away thirty-two
6
Does sixty take away twenty-three need a borrow?
YesNo
7
Which sum needs no borrow?
fifty-eight take away thirty-oneseventy-one take away forty-fiveninety-one take away sixty-four
8
Does forty-five take away eighteen need a borrow?
YesNo
9
Which sum needs no borrow?
sixty-eight take away twenty-threeeighty-one take away thirty-sixseventy-one take away forty-five
10
Which sum needs no borrow?
seventy-nine take away forty-fiveforty-five take away eighteeneighty-two take away forty-seven
11
Which sum needs no borrow?
forty-five take away eighteenthirty-nine take away fourteensixty take away twenty-three
12
Which sum needs no borrow?
fifty take away twenty-sixninety-four take away fifty-onesixty take away twenty-three
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
Borrowing across rows
1fifty-seven take away six
2ninety-two take away fifty-seven
3ninety-one take away sixty-four
4eighty-two take away forty-seven
5eighty-six take away thirty-two
6Yes
7fifty-eight take away thirty-one
8Yes
9sixty-eight take away twenty-three
10seventy-nine take away forty-five
11thirty-nine take away fourteen
12ninety-four take away fifty-one
Mark each answer, count the right ones and write the score on the sheet.