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Number Sense and Decimals
Multiplication
Division
Fractions
Properties of Geometry
100
What is 1,111 more than 376,243?
377,354
100
What is 50 * 70 ?
3,500
100
What is 81,000 / 90 ?
900
100
Name 3 fractions equivalent to 6/16.
Answers vary: 3/8, 9/24, 12/32
100
Draw two pairs of parallel lines. How do you know they are parallel?
As judged by Mrs. McComb. Parallel lines will never cross.
200
If each letter represents a different digit 0-9, what is the value of 'F'? Why? ELF + ELF = FOOL
1 because if you add any two three digit numbers you highest answer will be in the 1000's.
200
Sarah and her two friends want to buy matching bracelets. Each bracelet costs $19.95. How much did they spend in all?
What is $59.85
200
What is 2970 / 22?
135
200
15 is 5/8 of what number?
24
200
Draw a pair of parallel lines with a perpendicular line that intersects both. Show in your diagram that the line is perpendicular.
Should have right angles marked.
300
What is 505 thousandths more than 3.123?
3.618
300
Billy wants to multiply 25 * 43 on his calculator, but the 5 key is broken. Name two ways he can do this.
Answers vary. Ex: He could add 43 twenty-five times.
300
What is 12,012 / 6?
2,002
300
What is 3/4 + 3/8 ?
6/8 + 3/8 = 9/8 or 1 1/8
300
Draw an isosceles triangle.
As judged by Mrs. McComb
400
Write the number: thirty five and 65,729 millionths
35.065729
400
Draw an area model to represent the problem (25*30) + (150*30) and solve the problem.
Model + 5,250
400
If today is Friday, what day is it in 359 days? How do you know?
350 is a multiple of 7. That leaves 9 days. In 7 days it will be Friday again. 2 more days will be SUNDAY.
400
What is 24 * 5/6 * 4/5 * 3/4 * 2/3 * 1/2 ?
4
400
Draw a triangle with only two acute angles.
As judged by Mrs. McComb
500
What number is this in binary? 11
3
500
(5*20) + (4*20)? Make up a story that could go with this problem and solve the problem.
Answers vary. EX: Tickets for the amusement park cost $20 per person. Billy's family of five is going on Saturday, and so is Hannah's family of 4. How much will the two families pay altogether? ($180)
500
Aditya wants to divide 3520 / 40 but doesn't have a 4 key on his calculator. How could he still use his calculator to solve this problem? What is the answer? (Remember, you can't find the answer and use that to work backwards...Aditya would have no way to do that!)
Answers vary. He could divide 3520 by 20 = 176, then divide that by 2 for 88
500
Write a multiplication problem that has this answer, and tell a quick STORY to go with it: 3/4
Answers vary. Example: What is 1/4 * 3? A pizza is divided into four equal pieces. Suhani and her two friends each ate one piece. How much pizza did they eat in all.
500
Draw an angle that is 225 degrees. What type of angle is this? The closest angle wins!
Measured by Mrs. McComb