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Back to Tests of Divisibility: 6, 8, 9, 10, and 11 — Problem 4 · Task Set 14

Exercises: Tests of Divisibility: 6, 8, 9, 10, and 11

Work through each section in order. Use the divisibility tests rather than long division. Show your work where indicated.

Grade 7·21 problems·~30 min·Uganda NCDC Primary 7 Mathematics·lesson·patterns-01
Work through problems with immediate feedback
A

Fluency Practice

Five digit boxes for 3, 5, 7, 0, 6 with alternating plus and minus signs above them, showing the expression 3 minus 5 plus 7 minus 0 plus 6.
1.

Compute the alternating digit sum of 35,70635{,}706 (first digit minus second plus third minus fourth plus fifth), then state the single number it equals.