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Bridges in Mathematics
Unit 3. Adding, Subtracting, Counting & Comparing
Module 2. Combinations with the Number Rack
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing
Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10
Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers
Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10
Tell and write time in hours and half-hours using analog and digital clocks
Organize, represent, and interpret data with up to three categories
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Module 2. Combinations with the Number Rack for Grade 2
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Module 2. Combinations with the Number Rack
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