Write a multiplication fact for each of the repeated additions:
40+40=________×______=______
80
2×40=80
We know, that multiplication is repeated addition.
Here 40 is repeated 2 times,
Thus, 40+40=80.
We can write multiplication fact as, 2×40=80.
13+13+13+13+13=____
____×____=____
Write a division fact for each of the repeated subtraction:
____-40-40=0
____÷_____=____
Also ____÷_____=____
Write the repeated addition as multiplication:
(-11)+(-11)+(-11)
b+b+b+b+b+b
28-7-7-7-7=___
____÷_____=_____
Also ____÷_____=_____