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Grade 8 · Math

Grade 8 Math: Coding

Ontario curriculum: Mathematics (2020) · Algebra C3.1 — read code that finds a result from a short list of data

1.

What does this code say?

The score is 15score greater than8?yesnosay "win"say "try again"
2.

What number does this code say?

set counter to 6add 1 to countersay counter
3.

How many times does the code add to the counter?

set counter to 0repeat until counter is 8add 4 to counter
4.

How many times does the path turn right?

to squarerepeat 4 timesmove 10turn rightsquare is used 4 times
5.

What number does this code report?

scores: 2, 8, 2report the mean
6.

What does this code say?

The score is 15score greater than11?yesnosay "win"say "try again"
7.

What is the counter when the loop ends?

set counter to 4repeat until counter is 16add 4 to counter
8.

What is the counter when the loop ends?

set counter to 2repeat until counter is 12add 2 to counter
9.

How many times does the path turn right?

to squarerepeat 4 timesmove 10turn rightsquare is used 2 times
10.

What number does this code report?

scores: 12, 6, 0report the mean

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Answer key

Grade 8 Math: Coding

Ontario curriculum: Mathematics (2020) · Algebra C3.1 — read code that finds a result from a short list of data

Question numbers match the worksheet.

  1. 1.C) win
  2. 2.D) 76 + 1 = 7.
  3. 3.D) 2Counter goes 4, 8.
  4. 4.A) 16Each square turns right 4 times, and square runs 4 times.
  5. 5.B) 4(2 + 8 + 2) ÷ 3 = 4.
  6. 6.C) win
  7. 7.A) 16
  8. 8.D) 12
  9. 9.A) 8Each square turns right 4 times, and square runs 2 times.
  10. 10.C) 6(12 + 6 + 0) ÷ 3 = 6.

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