Remember: Picture the beads. Take tens first, then ones. A short ones row breaks a ten.
Questions
1
Which take away makes fifty-five?
seventy-one take away foureighty-one take away twenty-sixninety-three take away forty-seven
2
Which take away does not need a break?
sixty-seven take away thirtyseventy-three take away eighteighty-four take away six
3
Which take away needs a break?
sixty-seven take away thirtyninety-three take away forty-sevensixty-four take away twenty-one
4
Which take away needs a ten broken into ten ones?
sixty-four take away twenty-oneseventy-five take away twentyseventy-one take away four
5
Which take away makes fifty-four?
eighty-six take away thirty-twoninety-three take away forty-sevenforty-five take away seven
6
Which take away makes sixty-seven?
ninety-three take away forty-sevenseventy-three take away eightseventy-one take away four
7
Which take away has enough ones and needs no break?
eighty-six take away thirty-twoeighty-four take away sixeighty-one take away twenty-six
8
Which take away does not need a break?
sixty-four take away twenty-oneseventy-one take away fourninety take away two
9
Which take away needs a break?
eighty-six take away thirty-twosixty-four take away twenty-oneseventy-one take away four
10
Which take away needs a break?
forty-five take away sevensixty-seven take away thirtyfifty-eight take away three
11
Which take away has enough ones and needs no break?
ninety-three take away forty-sevensixty-four take away twenty-onesixty-two take away nine
12
Which take away has enough ones and needs no break?
sixty-two take away ninefifty-eight take away threeforty-five take away 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 B
Mental taking away
1eighty-one take away twenty-six
2sixty-seven take away thirty
3ninety-three take away forty-seven
4seventy-one take away four
5eighty-six take away thirty-two
6seventy-one take away four
7eighty-six take away thirty-two
8sixty-four take away twenty-one
9seventy-one take away four
10forty-five take away seven
11sixty-four take away twenty-one
12fifty-eight take away three
Mark each answer, count the right ones and write the score on the sheet.