Adding and Subtracting Mixed Decimals With Regrouping

Adding and Subtracting Mixed Decimals With RegroupingReviewAdding and Subtracting decimals without regrouping1. 2.143 + 1.33.4432. 3.5 + 1.0214.5213. 3.14 + 2.00085.14084. 7.958 + 3.51211.4705. 9.274 + 14.13223.406Problem: Mother has P 1000.00 She went shopping in a mall. She bought 3 pairs of stockings worth P 153.75 and a bag which cost P 412.85.How much change did she receive?

What does the problem ask for?The amount of change will Mother receiveP 1,000.00 Mothers money, P 153.75 for 3 pairs of stocking and P 426.85 for a bagWhat are the given facts?What will you do to solve the problem?Add the amount of stocking and bag and then subtract the sum from P1,000What is the number sentence?P 1,000 (P153.75 + P 426.85) = NTo add mixed decimalsAlign the decimal point.Annex zero to complete the number of decimal places when necessary.Add like you do with whole numbers.Place the decimal point in the sum directly under the decimal points in the addends.To subtract mixed decimalsAlign the decimal point.Annex zero to complete the number of decimal places when necessary.Subtract like you do with whole numbers.Place the decimal point in the difference directly under the decimal points in the minuend and subtrahend.How much change did she get?What if she receive more than her expected change, what do you think will mother do? Why?If you were given an extra change, would you return it? Why?What good traits did you imposed if you return money which is not for you?Solve the followingA. 7.4205 B. 8.1043 + 2.7589 + 3.5286

C. 51.312 - 27.649

11.6329 23.66310.1794Fixing SkillsSolve the indicated operationA. 2.638 B. 18.25 + 12.964 - 7.863

C. 23.672 D. 36.05 + 5.969 - 18.96815.602 10.38729.64117.082GeneralizationHow do you add/subtract mixed decimals?To add mixed decimals, align the decimal point. Annex zero to complete the number of decimal places when necessary. Add like you do with whole numbers. Place the decimal point in the sum directly under the decimal points in the addendsTo subtract mixed decimals, align the decimal point. Annex zero to complete the number of decimal places when necessary. Subtract like you do with whole numbers. Place the decimal point in the difference directly under the decimal points in the minuend and subtrahend.ApplicationGroup ActivityThe table below shows the distance from kilometre zero (Rizal monument in Luneta, Manila) to major points in Luzon destinations in kilometers.Batangas City 111.62 Alaminos, Laguna 78.6Malolos, Bulacan 44.3 Naga City 449 Calamba, Laguna 54.5 Baguio City 246 Obando, Bulacan 16.25 Daet, Camarines Norte 350 Tuguegarao, Cagayan 483 Tagaytay City 56

Based from the table, answer the following.How far is Tagaytay City from Calamba, Laguna?What is the difference between the distance of Daet, Camarines Norte and Batangas City from Manila?Obando, Bulacan is how many kilometres away from Daet, Camarines Norte?How far is Tuguegarao, Cagayan from Malolos, Bulacan?Batangas City is how many kilometres from Calamba, Laguna?

EvaluationFind the sum/difference 1) 4.371 2) 82.756 3) 8.256 2.784 9.283 + 4.183 + 5.439 + 15.547 4) 72.034 5) 81.503 -37.289 - 46.736

12.594107.58612.43934.74534.767AssignmentSolve the indicated operationa) 17.568 b)25.15 2.937 40.85 + 5.382 + 37.35c) 91.421 d) 83.273 - 45.854 - 29.486