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E:\Working\Focus_Learning\Math_Genius_5_(05-10-2023)\Open_Files\CHAP_02
\\February 27, 2024 10:04 AM Surender Prajapati Proof 5 Reader _________________________ Date: ___________________74

Practice time 2A

1. Add the following.
(a) tL L tth th H t O (b) tL L tth th H t O (c) tL L tth th H t O

7 8 6 7 8 9 4 9 8 6 7 8 4 9 6 0 6 9 8 9 0
+ 2 9 5 3 5 0 7 + 3 4 5 3 5 7 0 + 8 4 5 9 5 0 9

(d) tL L tth th H t O (e) L tth th H t O (f) L tth th H t O

7 9 8 0 0 3 7 2 8 6 9 7 3 8 7 5 0 3 4
+ 6 7 8 9 8 7 1 7 6 9 5 6 3 1 5 6 8 2
+ 2 9 8 7 6 5 + 4 5 6 7 8 9

2. Arrange in columns and then add.

(a) 3758491 and 4245781 (b) 22432646 and 44223116

(c) 75449458 and 50167248 (d) 78945001 and 30045010

(e) 20243649, 75503736 and 6664969 (f) 20214364, 44104364 and 33483671
3. Fill the missing digits in the blank boxes.

(a) 5 4 6 8 (b) 6 3 4 3 6 8 (c) 7 2 6 4 3 8

+ 3 8 2 + 9 4 + 5 4 8
1 1 2 0 0 8 7 3 9 8 1

(d) 7 4 3 6 (e) 5 6 4 3 6 (f) 7 3 6

+ 1 5 4 3 4 + 6 2 3 9 + 4 6 2
6 9 8 1 5 8 6 3 7 3 6

4. Use the properties of addition to fill in the blanks.

(a) 4326 + 26458 = _______ + 4326 (b) _______ + 71364 = 71364 + 436483

(c) 56436 + _______ = 56436 (d) _______ + 364834 = 364834

(e) 249368 + _______ = 249369
5. Solve the following word problems.

(a) A toy factory manufactured 57894 toy cars in 2021 and 987379
toy cars in 2022. Find the total number of toy cars manufactured

by the factory in these two years.
(b) In a board examination, 72580 boys and 37987 girls passed but 7400 boys and

2500 girls failed in the exam. How many students enrolled in the examination?

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