a cross-number puzzle - mathculatormathculator.com/downloads/files/ti-15 sheets etc/a cross...
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A cross-number puzzle: This is like a cross-word puzzle except that the answers are
numbers rather than letters.
None of the answers starts with a zero.
How many different solutions to this cross-number puzzle are
there?
Across
1. Square
3. Square
4. Square
1 2
3
4
Down
1. Cube
2. Square
3. Cube x square
A cross-number puzzle: This is like a cross-word puzzle except that the answers are
numbers rather than letters.
None of the answers starts with a zero.
How many different solutions to this cross-number puzzle are
there?
Across
1. Square
3. Square
4. Square
1 2
3
4
Down
1. Cube
2. Square
3. Cube x square
Follow all four instructions to get your answer.
You have exactly 30 seconds to do it.
a. Multiply the third number in the first row by the seventh number
in the third row.
b. Add this result to the fifth number in the second row.
c. Add to this total ten times the fourth number in the third row.
d. Subtract the eighth number in the first row from the result.
R1 6 5 8 7 4 5 6 8 4
R2 3 2 1 9 5 5 4 2 1
R3 6 5 1 5 1 3 2 3 5
What is your answer? ………..
Follow all four instructions to get your answer.
You have exactly 30 seconds to do it.
e. Multiply the third number in the first row by the seventh number
in the third row.
f. Add this result to the fifth number in the second row.
g. Add to this total ten times the fourth number in the third row.
h. Subtract the eighth number in the first row from the result.
R1 6 5 8 7 4 5 6 8 4
R2 3 2 1 9 5 5 4 2 1
R3 6 5 1 5 1 3 2 3 5
What is your answer? ………..
Follow all four instructions to get your answer.
You have exactly 30 seconds to do it.
i. Multiply the third number in the first row by the seventh number
in the third row.
j. Add this result to the fifth number in the second row.
k. Add to this total ten times the fourth number in the third row.
l. Subtract the eighth number in the first row from the result.
R1 6 5 8 7 4 5 6 8 4
R2 3 2 1 9 5 5 4 2 1
R3 6 5 1 5 1 3 2 3 5
What is your answer? ………..