Cianda's Corner

Always break apart the smaller number.Inside the oval has to add up to 10. The other digit from the decomposition goes in the blank because it is easy to add to 10!

Decompose to subtract by tens and then ones.

Includes: no regroupingregrouping only onesregrouping only tensregrouping only hundredsregrouping tens and onesregrouping hundreds and tensmix with regroupingmix with and without regrouping

Have students draw a base ten picture/model to add 2 digit numbers with and without regrouping.

You can use this to practice making fact families! You can differentiate by having your students solve for the answer, or not!

Cut the cards out and post around the room. Have students work together to separate the problems into 2 steps and solve them!

Halloween word problems with 2 digit addition and subtraction.