Share 1.2 & 1.3 Review (7th Grade Math)
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How many zero pairs are there and what is the sum?
2 zero pairs, the sum is positive 1
Find the sum: 6 + (-9) =
-3
Find the sum: -18 + 13 =
-5
Find the sum: 54 + (-36) =
18
Find the sum: -19 + 27 =
8
Explain the process of adding integers with different signs.
Subtract the lesser absolute value from the greater absolute value. Use the sign of the integer with the greater absolute value for the sum.
What is the sum?
Positive 4
Find the sum: 17 + (-10) + 43 =
50
Find the sum: -60 + 13 + (-30)
-77
St. Matt's is having a bake sale to raise money. Mr. G and Silk spent $45 on supplies for the bake sale. SLT earned $400 at the bake sale. The profit is the amount we made after paying for supplies. What is it?
$355
Find the difference: -10 - 7 =
-17
Find the difference: 9 - 13 =
-4
Find the difference: -16 - ( -4) =
-12
Find the difference: -8 - (-8) =
0
Miss Silk had a balance of $-15 in her savings account. After making a deposit, she has $50 in her account. What is the overall change to her account?
+65
The record high January temperature in Phoenix, AZ is 88ºF. The record low January temperature is 16ºF. Find the difference between the high and low temperatures.
88-16 = 72
