eBooks E-Books Strategies for adding 2-digit numbers (K-A) Addition and subtraction with number lines (K-A) Adding by making a group of 10 (K-A) Adding 53+17 by making a group of 10 (K-A) Regrouping to add 1-digit number (K-A) Breaking apart 2-digit addition problems (K-A) Adding by making a group of 10- (video) (K-A) Adding 2-digit numbers without regrouping 2- video (K-A) Adding 2-digit numbers without regrouping 1 (K-A) Subtracting two-digit numbers without regrouping (example 2) (K-A) Subtracting a 1-digit number with regrouping (K-A) Subtracting 2-digit numbers without regrouping 1- video (K-A) Subtracting 1s using place value (K-A) Subtracting 10s using place value (K-A) Subtracting 1 vs. subtracting 10 (K-A) Understanding place value when adding tens (K-A) « Previous 1 … 2,878 2,879 2,880 2,881 2,882 … 4,276 Next »
