Review Absolute Value 1 2 3 4 5 –5–4 –3 –2–1 0

Compare. Use <, >, or =. 1. –32 32 2. 26 |–26| 3. –8 –12 1. –32 32 2. 26 |–26| 3. –8 –12 4. Use a number line to order the integers –2, 3, –4, 5, and –1 from least to greatest. Your Turn < 1 2 3 4 5 –5 –4 –3 –2 –1 0 = > –4, –2, –1, 3, 5 5. Use a number line to find the absolute value of -3.

On Back of Pink Integer Chart Operations Vocabulary Addition Subtraction Multiplication Division Addend + Addend = Sum Minuend - Subtrahend = Difference Factor x Factor = Product Dividend ÷ divisor = Quotient

On Back of Pink Integer Chart Addition Addend + Addend = Sum Rule for Addition: Same sign Sum Difference sign Difference (& take sign of larger #) Show with circles (negative+neg)(pos + pos) (neg+neg) & examples

On Back of Pink Integer Chart Addition 𝟓 + 𝟐 -4 + -3 -2 + 6 Show with circles (negative+neg)(pos + pos) (neg+neg) & examples

Review Integer Rules Addition Subtraction Multiplication Division Yes Are the Signs the Same? Yes No Add Subtract Sign is same as both #’s Sign of the larger #

Practice on Whiteboard

On Back of Pink Integer Chart Subtraction −𝟓−𝟕 3−𝟖 −𝟗−(−𝟔) Examples & show how negatives turn into plus sign. Do examples of changing sign

Review Integer Rules Addition Subtraction Multiplication Division Are the Signs the Same? Change subtraction sign to addition & change the sign of the 2nd # to its opposite Yes No Add Subtract Follow directions for addition Sign is same as both #’s Sign of the larger #

Practice on Whiteboard

Review Decimal Operations Add or subtract Multiplication Division

Add or subtract Rules:

Line up the decimal points. –2.80 Subtracting Decimals A. 5.34 – 2.8 5.34 Line up the decimal points. –2.80 2.54 Subtract. B. 28 – 15.911 7 9 9 10 28.000 Use zeros as placeholders. –15.911 Line up the decimal points. 12.089 Subtract.

Practice on Whiteboard Add. Estimate to check whether your answer is reasonable. 1. 6.98 + 14.27 21.25; Estimate: 7 + 14 = 21 Subtract. Estimate to check whether your answer is reasonable. 20.2; Estimate: 24 - 4 = 20 6.72 – 4.16 3. 24 – 3.8 2. 2.56; Estimate: 7 – 4 = 3 4. Renee finished her first lap in the 200 m freestyle event in 28.76 seconds. She completed the second lap in 30.17 seconds. By how much did her time increase in the second lap? Estimate to check whether your answer is reasonable. 1.41 seconds; Estimate: 30 – 29 = 1