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- 1. Multiple ChoiceMelanie and Martin are both building a toy train track out of connecting pieces. Melanie has pieces that are 8 inches long while Martin's pieces are 20 inches long. How long will the shortest track be that they can each build with the same length?240420
- 2. Multiple ChoiceTwo neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again?48 seconds45 seconds16 seconds8 seconds
- 3. Multiple Choice
Which are factor pairs of 45?
1,45,5,9
1,3,7,9
5,7,8,9
7,9,5,2
- 4. Multiple Choice
•The HCF of X and Y is M. Which of these is true?
M > X
M > Y
M = XY
M < X
- 5. Multiple Choice
Three bells toll together at the same time after the first bell stays quiet for 12 seconds, the second bell for 15 seconds and the third bell for 18 seconds. During a duration of 30 minutes, how many times will the three bells toll together?
10
11
12
15
- 6. Multiple Choice
what is the divisibility rule for 4
Last two numbers divisible by 4
Last 3 numbers divisible by 4
Add all of the digits and divide by 4
Even number
- 7. Multiple Choice
Which number is divisible by 6
1782
1213
536
- 8. Multiple Choice
Which number is divisible by 9
345
8522
98874
- 9. Multiple Choice
The divisibility rule for 11 is...
Divide the whole thing by 11
Multiply the digits together by 11
If the difference of the sum of its digits in odd places and the sum of it digits in even places,(starting from the unit's place) is divisible by 11
add the digits together. If the sum is divisible by 11, the original number is divisible by 11
- 10. Multiple Choice
Is 9020814 is divisible by 11 or not
Yes,it is divisible by 11
No,it is not divisible by 11
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