eBooks E-Books Regrouping to add 1-digit number (K-A) Breaking apart 2-digit addition problems (K-A) Adding by making a group of 10 (K-A) Adding 2-digit numbers without regrouping 2 (K-A) Adding 2-digit numbers without regrouping 1 (K-A) Adding with regrouping (K-A) Adding 2-digit numbers without regrouping 2 (K-A) Missing numbers in addition and subtraction (K-A) Understanding place value when adding tens (K-A) Understanding place value when adding ones (K-A) Adding 1 vs. adding 10 (K-A) Addition and subtraction word problems: superheroes (K-A) Addition and subtraction word problems: gorillas (K-A) Comparison word problems: roly-polies (K-A) Comparison word problems: marbles (K-A) Subtracting 14 – 6 (K-A) « Previous 1 … 3,194 3,195 3,196 3,197 3,198 … 4,276 Next »
