Question 5 of 24intermediate🔧 ApplyFill in the Blanks6 marks
Fill in the blanks with numbers, and boxes with operation signs such that the expressions on both sides are equal. (a) 24 + (6 - 4) = 24 + 6 ☐ ___ (b) 38 + () = 38 + 9 - 4 (c) 24 - (6 + 4) = 24 - 6 ☐ ___ (d) 24 - 6 - 4 = 24 - 6 ☐ ___ (e) 27 - (8 + 3) = 27 - 8 - 3 (f) 27 - () = 27 - 8 + 3
(a)
Answer
Sign: -, Number: 4
(b)
Answer
9 - 4
(c)
Answer
Sign: -, Number: 4
(d)
Answer
Sign: -, Number: 4
(e)
Answer
Already complete
(f)
Answer
8 - 3
Explanation
(a) Removing brackets with + sign keeps signs: 24 + 6 - 4 (b) 38 + (9 - 4) = 38 + 9 - 4 (c) Removing brackets with - sign changes signs: 24 - 6 - 4 (d) 24 - 6 - 4 = 24 - 6 - 4 (e) Removing brackets with - sign changes signs of 8 and 3 (f) 27 - (8 - 3) = 27 - 8 + 3 when brackets removed with - sign