math words for kids

Question 1 - Question: Answer: As n represents all positive integers, we have Multiplying the above terms of both sides respectively, we get Multiplying both sides of inequality by n!, we g..

Question: Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. Find the number of words which have atleast one letter repeated. Answer: Total number of 5 letter words from given 10 letters = 10 5 (if ..

In other words, a square matrix A is invertible if and only if A is a non-singular matrix. (c) If A and B are invertible square matrices, then (AB) - 1 = B - 1 A - 1 (d) If A and B are two non-singular square matrices of the same order, then AB and BA are also non-singular matr..

[A i j ] where A i j is the co-factor of the element a i j . Adjoint of A is denoted by Adj A. Note that the concept of adj is only for square matrix. A square matrix A is said to be non-singular if |A| 0. Let A be a square matrix of order n. If there exists a square matrix B of order n, such that ..

Which ordered pair tells you the location of the kids park? => (4, 6) or (6, 5) or (6, 4) or (5, 6)..

Choose the path to go to Kids park from Foodmart. => move 6 units up or move 3 units up and 2 units right or move 3 units right and 2 units up or move 6 units right..

Jessica took all the kids in an orphanage to an amusement park. The ticket per each kid was $3.40. She spent a total of $120.34 for tickets. Estimate the number of kids in the orphanage using compatible numbers. => 36 or 44 or 48 or 40..

A kids club would construct a skating ring for kids if the members of the club want one. Identify the question that could be asked to find out the members' opinion. => Would you like to have a skating ring around? or Do you like skating? or Do you know skating? or Do you want to..

Leslie bought 24 apples and distributed all the apples equally among 4 kids. Which of the given number sentences can be used to find the number of apples each kid gets? => 24 + 24 + 24 + 24 or 24 - 4 or 24 ÷ 4 or 24 + 4..

Which question can be answered by writing a word or words? => How many of the pets you have are male? or Which color do you like the most? or How many times did you visit your aunt this month? or How many math problems have you completed yesterday?..