Convert 13 to tens and ones. \(13 \, = \, 1 \, \times \, 10 \, + \, 3\)

\(13 \, tens \, + \, 3 \, ones\)

\(1 \, ten \, + \, 13 \, ones\)

Convert 12 to tens and ones. \(12 \, = \, 1 \, \times \, 10 \, + \, 2\)

\(12 \, tens \, + \, 2 \, ones\)

\(1 \, ten \, + \, 12 \, ones\)

Convert 17 to tens and ones. \(17 \, = \, 1 \, \times \, 10 \, + \, 7\)

\(17 \, tens \, + \, 7 \, ones\)

\(1 \, ten \, + \, 17 \, ones\)

Math Games

Number Properties, Addition

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Common Core - State Standards Initiative

Grade 2 - Number and Operations in Base Ten

Standard 2.NBT.A.1b - Split the number into tens and ones to complete the equation.

Included Skills: Number Properties, Addition

The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).