Grouping Tens
50x4 show using base ten drawings and solve
200
(3x2)x2
12
5x8
40
what number comes after 120 when counting by tens
130
35 + 56
91
20 x 6 show using base ten drawings and solve
120
(2x1)x10
20
9x2
18
what number comes after 250
260
5x8
40
30 x 3 show using base ten drawings and solve
90
7x(2x5)
70
10x7
70
what number comes before 430
299-34
265
100 x 2 show using base ten drawings and solve
200
80
4 x 3
12
what number comes between 270 and 290
280
round 245 to the nearest ten
240 or 250
250
40 x 3 show using base ten drawings and solve
120
5(1x3)
30
10 x 2
20
after 590
600
what number is missing
2 x ____ = 16
8 x 2 = ______
8 and 16