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Abacus · Ages 7+ · Set B
Flash numbers
Scan to mark
on screen
B
Name
Date
Start Finish
Goal: 15 min
Score/ 12
Remember: Read a frame by its rows, tens first. For a full row, look at the gap.

Questions

1
A frame shows three hundreds, no tens and six ones. Which number is it?
eighty-threethree hundred sixtythree hundred six
2
Which number has just one bead waiting on the ones row?
seventy-fourfour hundred nineforty-seven
3
A frame shows five tens and two ones. Which number is it?
ninety-eightfifty-twothree hundred six
4
Which number has an empty ones row?
ninety-fivethree hundred sixtyfour hundred nine
5
A frame shows two hundreds, no tens and five ones. Which number is it?
one hundred seventy-fourtwo hundred fivethirty-eight
6
A frame shows three tens and eight ones. Which number is it?
sixty-oneseventy-fourthirty-eight
7
Which number has just one bead waiting on the ones row?
forty-nineeighty-threetwo hundred fifty
8
Which number has an empty ones row?
sixty-nineninety-fiveninety
9
A frame shows seven tens and four ones. Which number is it?
seventy-fourninety-fivethree hundred six
10
A frame shows one hundred, four tens and seven ones. Which number is it?
seventy-fourtwo hundred fiftyone hundred forty-seven
11
A frame shows nine tens and five ones. Which number is it?
eighty-threefifty-twoninety-five
12
Picture ninety on the frame. Is one bead waiting on the ones row?
YesNo
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
Flash numbers
1three hundred six
2four hundred nine
3fifty-two
4three hundred sixty
5two hundred five
6thirty-eight
7forty-nine
8ninety
9seventy-four
10one hundred forty-seven
11ninety-five
12No
Mark each answer, count the right ones and write the score on the sheet.