Review Adding Integers Day 30 Date: __________________ Objective: SWBAT add and subtract integers with 80% class mastery. Topic: _______________________________ Do Now 1) Round the following number to the nearest whole number: 67.26847 2) Round the following number to the nearest tenth number: 67.26847 3) Order the following numbers to from least to greatest. 4.29 ; 4.234 ; 4.209 4) 23 + -16 Review Adding Integers When the signs are different we _____________. The answer takes the sign of the _______ number. When the signs are the same we _____________. #1 #2
Summarize what you know about subtracting integers. #1 #2 #3 #4 Rule: Write the sign in front of each number When subtracting always: ____________ ( 1st number stays the ________) ____________ (_____________ sign turns into an _________sign) ____________ (change the sign on the second number to its ________) Summarize what you know about subtracting integers.
D30 Math Skills Homework 1) - 12 + 7 2) -10 + -17 3) - 6 + 12 Directions: Below is a mixture adding and subtracting integers. Solve each question in the box below, and show math work for each question. 1) - 12 + 7 2) -10 + -17 3) - 6 + 12 4) -30 + 10 5) 13 – 19 6) - 9 – (-17) 7) -19 + - 61 8) 11 + -19 -2 9) - 4 + 9 – (-3) 10) -16 – 7 -3
D30 Problem Solving Homework Directions: The following homework assignment is review from quarter one and two. Answer each question based on the directions in each box. 1) 7883 ÷ 18 2) 453 x 89 3) Round the following number to the nearest whole number: 54.93 4) Round the following number to the nearest hundredth: 475.3746 5) Compare the following values using the correct inequality sign and write your final answer in a sentence. 3.43 and 3.009 6) Order the following numbers from greatest to least. Show math work!!! 45 ; 4.57 ; 45.08 ; 4.705