Transcript Grade 7 Mid Unit Quiz - Dr. Losier Middle School

Grade 7 Mid Unit Quiz
• 1. c Solution: 7+9+11+13= 40
40/4=10
• 2. d Solution: 7+ 14+ 14+ 19+ 21 Mode= 14
• 3. c Solution: 39- 16 = 23
Range= 23
• 4. a Solution: 3+ 5+ 5+ 11+ 15+ 20+ 52+ 58+ 59
(Median= 15)
QUESTION 5
• Put numbers in order from least to greatest:
0, 0, 0, 2, 3, 4, 5, 6, 7, 8
• (most common number)
Mode: 0
• (largest minus smallest number)
Range: 8 – 0= 8
• (Middle number of set)
Median: 3+4= 7
7/2= 3.5
• (Add the numbers and then divide that by how many
numbers are in the set)
Mean: 0+ 0+ 0+ 2+ 3+ 4+ 5+ 6+ 7+ 8= 35 35/10= 3.5
QUESTION 6
• ( -10) + (+7)= -3
QUESTION 7
• ( -3) - (-5)
• add the opposite
• (-3) + (+5)=
QUESTION 8
• There are 5 numbers in the set so draw five
blanks:
• The median is 8 so it goes in the middle
• The mode is 7 so place two sevens at the front
• The median is 9
so the sum of the digits is 9 x 5 = 45
7+7+8= 22 and 45 – 22= 23 so the last 2 digits must add to
23 (ex: 10 and 13)
• Our set could be: