Use Number Lines for Operations
2nd Grade Math · Flashcards
2ND GRADE MATH · FLASHCARDS
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QUESTION
What is
9
+
9
9+9
9
+
9
as shown by two equal rightward jumps of
9
9
9
starting at
0
0
0
?
QUESTION
Which direction on a number line shows decreasing numbers: left or right?
QUESTION
What does it mean that points on a number line are equally spaced at
0
,
1
,
2
,
3
,
…
0,1,2,3,\dots
0
,
1
,
2
,
3
,
…
?
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ANSWER
Each step between consecutive numbers has the same length. Equal spacing means the distance from 0 to 1 equals the distance from 1 to 2, etc.
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