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81 is 72 more than 9
81 is 9 times 9
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Why does fact family for 81 and 9 have only two number sentences?
IT does because the other two sentences are impossible.
Why does the fact family for 81 and 9 have only two number sentences and how does this make a difference?
because you need 3 different numbers for 4 sentences
What is the square root of this number 81?
The square root of 81 is 9. The square roots of 81 are 9 and -9.
One number is 9 less than another number if their sum is 81 find the two numbers?
36 and 45 = 81.
There is a number that is 9 times the sum of its digits what is this number?
81 8+1=9 9*9=81
Why does the fact family for 81 and 9 only have two number sentences?
It does because the other two sentences are impossible.
Why does fact family for 81 and 9 have only two number sentences?
IT does because the other two sentences are impossible.
Why does the fact family for 81 and 9 have only two number sentences and how does this make a difference?
because you need 3 different numbers for 4 sentences
Why does the fact family for 81 ad 9 have only two number sentences?
It has only 2 numbers: 9 and 81. Since 9 squared (9^2, 9*9). So all there is is:9 × 9 = 8181 = 9 × 9
Why does the fact family for 81 and 9 only have 2 number sentences?
awnow
What two number can you multiply to get 81?
9 and 9
What number mulplied by itself gives 81?
The two answers are -9 and +9.
What is the square root of this number 81?
The square root of 81 is 9. The square roots of 81 are 9 and -9.
Why is 81 an composite number?
Because it has more than two factors and it is also a square number in which 9 times 9 = 81
What is the square number of 81?
The square number of 81 is 9. 9 x 9 = 81
What is the largest two-diget squared number?
81 = 9 x 9
The sum of the digits of a certain two-digit number equals the suare root of the number. what is the number?
81 -- 8+1 = 9 -- square root of 81 = 9
