Answer:
23. B 5kg - 3kg + 2kg = 4kg
24. B 6floors - 4floors + 5floors - 2floors = 5floors
25. D 29⁰C - 6⁰C + 3⁰C = 26⁰C
26. A 50km + 35km - 60km = 25km
27. A - × - = + Example: -2 × -2 = 4
28. A -5 × -4 × 2 = +40 or 40
29. B +/- ÷ +/- = - Example: -4 ÷ 2 = -2
30. C -35 ÷ -7 = 5
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Answers & Comments
Answer:
23. B 5kg - 3kg + 2kg = 4kg
24. B 6floors - 4floors + 5floors - 2floors = 5floors
25. D 29⁰C - 6⁰C + 3⁰C = 26⁰C
26. A 50km + 35km - 60km = 25km
27. A - × - = + Example: -2 × -2 = 4
28. A -5 × -4 × 2 = +40 or 40
29. B +/- ÷ +/- = - Example: -4 ÷ 2 = -2
30. C -35 ÷ -7 = 5