This is the identity property of addition.
7
fact family are related facts Number family are related numbers
6X7=43 43/6=7
write three numbers that makes a fact family
what is fact family for 7 ad 49
7+2=9
7
7 is an odd number 7 is a rational number 7 is a prime number
Well, isn't that just a happy little question! The fact families for 7, 9, and 63 are all related in a special way. You see, in this family, 7 x 9 = 63, 9 x 7 = 63, 63 รท 7 = 9, and 63 รท 9 = 7. Just like a family, each number has a special connection to the others.
A fact family is when the same 3 numbers are used in addition and subtraction sentences. An example would be 3+4=7, 4+3=7, 7-4=3 and 7-3=4
7+5=12 5+7=12 12-5=7 12-7=5
It could be that 7*6 = 42 and that 42/7 = 6
7 14 21 28 35 42
6 * 7 = 42 7 * 6 = 42 42 / 6 = 7 42 / 7 = 6
2x7=14, 7x2=14, 14/2=7, & 14/7=2
4 times 7= 28 7 times 4= 28 28 divided by 7= 4 28 divided by 4 =7