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Common Core Standards
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Timed Test For
Break apart 3-digit addition problems
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Sample Problem
**Which of the following is equal to $356+529$?** [[☃ radio 1]]
Which of the following is equal to
356
+
529
356+529
3
5
6
+
5
2
9
?
Choose 1 answer:
Choose 1 answer:
A
3
hundreds
+
5
hundreds
+
6
tens
+
5
tens
+
2
ones
+
9
ones
\small 3\text{ hundreds} + 5\text{ hundreds} + 6 \text{ tens}+5\text{ tens} +2 \text{ ones}+9 \text{ ones}
3
hundreds
+
5
hundreds
+
6
tens
+
5
tens
+
2
ones
+
9
ones
B
3
hundreds
+
5
hundreds
+
5
tens
+
2
tens
+
6
ones
+
9
ones
\small 3\text{ hundreds} + 5\text{ hundreds} + 5 \text{ tens}+2\text{ tens} +6 \text{ ones}+9 \text{ ones}
3
hundreds
+
5
hundreds
+
5
tens
+
2
tens
+
6
ones
+
9
ones
C
3
hundreds
+
5
hundreds
+
5
ones
+
2
ones
+
6
tens
+
9
tens
\small 3\text{ hundreds} + 5\text{ hundreds} + 5 \text{ ones}+2\text{ ones} +6 \text{ tens}+9 \text{ tens}
3
hundreds
+
5
hundreds
+
5
ones
+
2
ones
+
6
tens
+
9
tens
What's your name?
Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)