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# Number Sense

Using logic to solve analytical reasoning problems and patterns.

#### Mapped to CCSS Section# 4.NBT.A.2, 5.NBT.A.3b, 4.OA.B.4, 6.NS.C.7a, 4.OA.A.3

Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.,Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.,Find all factor pairs for a whole number in the range 1- 100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1- 100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1- 100 is prime or composite.,Interpret statements of inequality as statements about the relative position of two numbers on a number line diagram. For example, interpret - 3 > – 7 as a statement that – 3 is located to the right of – 7 on a number line oriented from left to right.,Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.