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Match fun story problems with the correct addition or subtraction expression.
Students put all of their addition and subtraction skills together to solve equations.
Activity: Addition and subtraction methods Complete this interactive activity to explore some different methods for addition and subtraction. Then put your knowledge to the test.
From classrooms to kitchen tables, debates about math education are never far away. Should teachers drill multiplication ...
Stream 'Meet the Math Facts - Addition & Subtraction Level 2 (2015)' and watch online. Discover streaming options, rental services, and purchase links for this movie on Moviefone. Watch at home ...
Korean children's ability to solve addition problems with sums of 10, single-digit addition problems with sums between 10 and 18, and single-digit subtraction problems with minuends between 10 and 18 ...
This study examined children's justifications and evaluations of derived-fact strategies-strategies for solving addition and subtraction problems by using known combinations-to explore their knowledge ...
The new theme is Addition and Subtraction, stories of humans becoming more and less and sometimes both with the help of technology.