21 is 2 tens plus 1 ones. Which is another way to make 21? \(10 \, \times \, 2 \, + \, 1 \, = \, 21\)

\(1 \, ten \, plus \, 11 \, ones\)

\(1 \, ten \, plus \, 2 \, ones\)

\(11 \, tens \, plus \, 1 \, one\)

\(1 \, ten \, plus \, 11 \, ones\)

\(3 \, tens \, plus \, 1 \, one\)

42 is 4 tens plus 2 ones. Which is another way to make 42? \(10 \, \times \, 4 \, + \, 2 \, = \, 42\)

\(3 \, tens \, plus \, 12 \, ones\)

\(12 \, tens \, plus \, 3 \, ones\)

\(2 \, tens \, plus \, 4 \, ones\)

\(5 \, tens \, plus \, 2 \, ones\)

\(2 \, tens \, plus \, 19 \, ones\)

\(19 \, tens \, plus \, 2 \, ones\)

\(9 \, tens \, plus \, 3 \, ones\)

\(4 \, tens \, plus \, 9 \, ones\)

Addition

Grade 2 - Number

Standard 2.N.7 - Understand the place values of tens and ones. Convert numbers into tens and ones to solve.

Included Skills: Addition

Illustrate, concretely and pictorially, the meaning of place value for numerals to 100.