Thinkster is proud to announce the acquisition of AI EdTech company SelectQ.io as part of our family post acquisition.
See Press Release for Details

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.
Try Sample Question