Fingers
9X1=
9
9X6=
54
3X9=
(3X10) - (3x1) = 27
5X9=
4X9=36
add 10=46
46-1=45
Round 55 to the nearest 10
60
9X3=
27
9X8=
72
5x9=
6X9=
5X9=45
Add 10=55
55-1= 54
500
9X6=
54
9X9=
81
7X9=
(7X10)-(7X1)=63
7X9
6X9=54
add 10=64
64-1=63
Miss H and William went sledding at 10:45. However, she had to leave at 1:20 because it was time for William's nap. How long did Miss H and Will go sledding for?
2 hours and 35 minutes
9X8=
72
9X12=
108
9X9=
(9X10)-(9X1)=81
8X9=
7X9=63
add 10=73
73-1=72
13 X 8
104
9X12 (use a partner hand to help!)
108
9X16=
144
13X9
9X9=
8X9=72
Add 10=82
82-1=81
963-285
678