Addition
5 + 6 =
11
4 + 4=
8
10 - 4 =
6
Shape with 3 sides
triangle
write in 24 in expanded form
20 + 4
10 + 8 =
18
6 + 6 =
12
13 -13 =
0
shape with 5 sides
pentagon
write in standard form:
300+ 40+ 5
345
13 + 14 =
27
8 + 8 =
16
20 - 10 =
10
shape with 6 sides
hexagon
write 482 in expanded form
400+80+2
30 + 40 =
70
9 + 9 =
18
44 - 24 =
20
shape with 4 equal sides
square
write in standard form:
600+80+1
681
500 + 400 =
900
12 + 12 =
24
57 - 33 =
24
shape with 8 sides
octogon
write 3,645 in expanded form
3000+600+40+5