Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.
Look at the place value model. Combine tens and ones.

+ =

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =

Look at the place value model. Combine tens and ones.

+ =