Basic Math Reference Sheet
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Elementary Factor Reference Sheet
This is a reference sheet showing divisibility rules when finding the factors of a number. It also goes on to define arrays and factor pairs. An example is given showing how to go through the steps to find factors, arrays, and pairs for a specific number.
3rd - 5th
Basic Operations, Math, Numbers
CCSS
4.OA.B.4
Number Word Chart
Help your kids spell their numbers with this easy cheat sheet or make it big for a classroom bulletin board!
K - 4th
Basic Operations, Math, Numbers
Number Subtraction from 20 Worksheets | 2-Digit Subtraction Within 20
Make subtraction fun and simple for your students with these Number Subtraction from 20 Worksheets! This resource using 2-digit numbers, where all the answers are 20 or less — perfect for first and second grade students who are developing their subtraction fluency and number sense. These printable worksheets help students build confidence in basic subtraction through structured practice. Teachers can use them for classroom activities, homework, morning work, math centers, or small group
1st - 3rd
Basic Operations, Math Test Prep, Numbers
CCSS
K.CC.A.2
, K.CC.A.3
, K.CC.B.4b
+1
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