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Timed Test For
Skip-count by 10s
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Sample Problem
**When counting by $10$s backwards from $430$ to $390$, which numbers will you say? ** [[☃ radio 1]]
When counting by
10
10
1
0
s backwards from
430
430
4
3
0
to
390
390
3
9
0
, which numbers will you say?
Choose all answers that apply:
Choose all answers that apply:
A
430
430
4
3
0
B
422
422
4
2
2
C
420
420
4
2
0
D
419
419
4
1
9
E
415
415
4
1
5
F
390
390
3
9
0
What's your name?
Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)
