Question 22 of 36intermediate🔧 ApplyFill in the Blanks4 marks
Sukanta likes the numbers 10, 100, 1,000, and 10,000. He wants to figure out what number he should add to a given number such that the sum is 100 or 1,000. Help him fill in the blanks with an appropriate number.
Correct Answer
32 + 68 = 100, 59 + 41 = 100, 877 + 123 = 1,000, 666 + 334 = 1,000, 4,103 + 5,897 = 10,000, 5,555 + 4,445 = 10,000
Exercise: Quick Sums and Differences | Q: 1 | (Page Page 10-11)
For More Understanding
Explanation
The chapter shows Piku's method: for making 100, add the complement (100 - number). For making 1,000, add (1,000 - number). The method shown: for 32, think of 99 - 32 = 67, then add 1 more to get 68. So 32 + 68 = 100.