What will my child learn in "Add 2-Digit and 1-Digit Numbers (Models)"?

To add 23 + 4, put 2 tens and 3 ones together with 4 ones. You have 2 tens and 7 ones. This 1st Grade Math lesson builds the skill Adding a 2-Digit Number and a 1-Digit Number with a concept card and practice.

What grade level is "Add 2-Digit and 1-Digit Numbers (Models)" for?

"Add 2-Digit and 1-Digit Numbers (Models)" is a 1st Grade Math lesson in the 2-Digit Addition: No Regrouping unit, designed for students around ages 6-7.

How many practice questions are in this lesson?

This lesson includes 20 practice questions with instant feedback. Guests can try a few for free, and signed-in learners get the full adaptive set that adjusts to their level.

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Add 2-Digit and 1-Digit Numbers (Models)

1st Grade Math practice: Use blocks to find 35 + 3. (Image of 3 tens, 5 ones + 3 ones). Part of 2-digit addition: no regrouping (2-Digit Addition: No Regrouping).

~8 min

To add 23 + 4, put 2 tens and 3 ones together with 4 ones. You have 2 tens and 7 ones.