SOLVE IT: INVENTIONS
Complete the year of the invention.
The automatic teller machine (ATM) was invented
in the United States by Don Wetzel in 19___.
Theletter Kstands for a 2-digit number.
Use the clues to figure out the value of K.
CLUES:
- The difference between the digits of K is
greater than 2.
100 ÷ 2 ≤K
The sum of the digits of K is greater than 11.
K is a multiple of 3.
K < 150 ÷2.
SOLVE IT: PERPLEXING PATTERNS
What number in Row 1 is below
the 21st number in Row 4?
The array of numbers continues.
ROW 4 12 24 36 ê
ROW 3 5 8 11 17 20 23 29 32 35 ê
ROW 2 2 4 7 10 14 16 19 22 26 28 31 34 38 ê
ROW 1 1 3 6 9 13 15 18 21 25 27 30 33 37 ê
76
Algebra Readiness Made Easy: Grade 6 © Greenes, Findell & Cavanagh, Scholastic Teaching Resources