True and False Number Sentences

Mathematics: Grade One
Classroom Assessments Based on Standards
True False Number Sentences
Source: Math Assessment Sampler
Mathematical Idea: True false number sentences
Format: Worksheet
Type of Assessment: Formative
Thinking Level: 2-3
MPS Learning Target: Algebra
Learning Target
Explain use of notation to show equality and model word problems, and solve simple
open number sentences and true-false statements
Descriptors
3) Demonstrate understanding that the equals sign means “the same as” by solving open
number sentences (e.g., 3 + 2 = ❒ + 4; 5 = 1 + ❒); 3 + ❒ = 6) and true-false statements.
Skills Assessed:
Understand the equal sign
Developed by the Milwaukee Mathematics Partnership (MMP) with support by the National
Science Foundation under Grant No. 0314898.
True and False Number Sentences
For each number sentence, tell whether it is true or false.
a.
9=5+4
True
False
b.
9=9
True
False
c.
5+4=4+5
True
False
e.
5+4=5+3
True
False
f.
5+4=6+3
True
False
For letter “f” above, how do you know? Explain.
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Developed by the Milwaukee Mathematics Partnership (MMP) with support by the National
Science Foundation under Grant No. 0314898.