Question 12 of 33intermediate🔧 ApplyNumerical4 marks
Complete the additions using tokens. a. (+6) + (+4) b. (−3) + (−2) c. (+5) + (−7) d. (−2) + (+6)
(a)
Answer
+10
(b)
Answer
−5
(c)
Answer
−2
(d)
Answer
+4
Explanation
(a) Adding positive tokens: 6 positive + 4 positive = 10 positive tokens. (b) Adding negative tokens: 3 negative + 2 negative = 5 negative tokens. (c) 5 positive and 7 negative tokens form 5 zero pairs, leaving 2 negative tokens. (d) 2 negative and 6 positive tokens form 2 zero pairs, leaving 4 positive tokens.