Compare the following numbers using the Building of Fun and fill in the boxes with < or >. a. −2 _____ +5 b. −5 _____ +4 c. −5 _____ −3 d. +6 _____ −6 e. 0 _____ −4 f. 0 _____ +4
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Explanation
(a) −2 is a negative number (below ground) and +5 is positive (above ground). Negative numbers are less than positive numbers. (b) −5 is negative and +4 is positive. All negative numbers are less than all positive numbers. (c) Floor −5 is lower than Floor −3. Among negative numbers, the one with larger absolute value is smaller. (d) +6 is positive and −6 is negative. Positive numbers are greater than negative numbers. (e) Zero is greater than all negative numbers. Floor 0 (ground floor) is above Floor −4. (f) Zero is less than all positive numbers. Floor 0 (ground floor) is below Floor +4.