1 by 1 Digit
2x4=
8
1x8=
8
3x2=
6
5x1=
5
Round 57 to the nearest tens place
60
2x9=
18
2x5=
10
3x3=
9
3x6=
18
521+66
587
4x4=
7x4=
28
5x9=
45
6x6=
36
Round 137 to the nearest tens place
8x6=
48
6x4=
24
7x3=
21
10x6=
60
Round 764 to the nearest hundreds place
800
9x7=
63
8x8=
64
7x8=
56
9x9=
81
What has holes but can still hold water?
A sponge