Exercise 1b | Complete | Oxford New Countdown | Grade 4 | Iqra Zahra

Exercise 1b | Complete | Oxford New Countdown | Grade 4 | Iqra Zahra Dear Students! Welcome to my Youtube Channel ‪@iqrazahra269‬ In this lecture, we will covered the complete Exercise 1b of Oxford New Countdown Book 4 Third Edition (Enhanced Blended Edition) from book page number 11 to 13. In this lecture, you will learn how to add and subtract 4 - digit numbers or 5 digit numbers. In this lecture, we also cover the article of Exercsie 1b. Time Code: 0:00 Intro of Exercise 1b 0:21 Examples of Exercise 1b 5:22 Question No. 1 (Fill in the Blanks) 10:40 Question No. 2 (True or False) 15:49 Question No. 3 (Choose the Correct Option) 20:52 Question No. 4 (Add 5 - digit numbers) 24:02 Question No. 5 (Add numbers) 26:41 Question No. 6 (Subtract 5 - digit numbers) 30:17 Question No. 7 (Write vertically and subtract) 35:23 Question No. 8 (Subtract 100 from each numbers) 37:51 Question No. 9 (Subtract 500 from each numbers) #oxfordmaths #oxford #new_countdown #grade4 #book4 #class4 #unit1 #wholenumbersandoperations #exercise_1b #exercise1b #complete_exercise #complete_solution #addition_and_subtraction #add_4_digit_numbers #add_5_digit_numbers #subtract_4_digit_numbers #subtract_5_digit_numbers #newbook2025 #newsession2025_26 #newmathsbook #oxfordnewmaths #enhancedblendededition #snc2022 #snc2023 #snc2020 #iqrazahra #iqrazahra269 ‪@iqrazahra269‬