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Work with addition and subtraction equations.
7. Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.
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Multiply and divide within 100.
7. Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division
(e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from
memory all products of two one-digit numbers. Division Facts
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4.NF.7: Compare two decimals to
hundredths by reasoning about their size.
Recognize that comparisons are valid
only when the two decimals refer to the
same whole. Record the results of
comparisons with the symbols >, =, <,
and justify the conclusions, e.g., by
using a visual model.
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