For each problem, fictional student Carleigh made a mistake. Explain what her mistake is, correct the problem, and give the real answer. Be sure to make your corrections with a RED pen!
For each problem, fictional student Carleigh made a mistake. Explain what her mistake is, correct the problem, and give the real answer. Be sure to make your corrections with a RED pen!
-15 - 14 = ___
-7 - (-15) = ___
-8 + (-12) = ___
11 + (-2) - (-6) = ___
2/3 + 9/4 = ___
3/8 ÷ 1/4 = ___
|-11| + |-20| = ___
Solve 3x2 - 9 when x = 4.
Show the math sentence -4 + 7 - 6 on a number line.
-8 - (-4) = ___
3/7 - 4/8 = ___
2/5 - 3/8 = ___
Write a math sentence for the integer chip model.
Write a math sentence for the integer chip model.
Create an integer chip model with an answer of -2.
Create an integer chip model with an answer of 0.