Count the skateboards. Now choose the best answer. \(1 \, + \, 1 \, = \, x\)

\(0 \, tens \, + \, 1 \, one \, = \, 1\)

\(0 \, tens \, + \, 1 \, one \, = \, 12\)

\(1 \, ten \, + \, 0 \, ones \, = \, 13\)

\(1 \, ten \, + \, 0 \, ones \, = \, 1\)

\(0 \, tens \, + \, 1 \, one \, = \, 1\)

Count the clovers. Now choose the best answer. \(10 \, + \, 0 \, = \, x\)

\(1 \, ten \, + \, 0 \, ones \, = \, 10\)

\(1 \, ten \, + \, 0 \, ones \, = \, 14\)

\(1 \, ten \, + \, 0 \, ones \, = \, 10\)

\(0 \, tens \, + \, 1 \, one \, = \, 10\)

\(0 \, tens \, + \, 1 \, one \, = \, 19\)

Count the moons. Now choose the best answer. \(10 \, + \, 0 \, = \, x\)

\(1 \, ten \, + \, 0 \, ones \, = \, 10\)

\(1 \, ten \, + \, 0 \, ones \, = \, 14\)

\(0 \, tens \, + \, 1 \, one \, = \, 10\)

\(0 \, tens \, + \, 1 \, one \, = \, 12\)

Count Groups of Tens and Ones Up to 20 - Grade 1

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Grade 1 - Number

Standard 1.N.3 - Count the objects from 1 to 20. Split the number into tens and ones to complete the equation.

Included Skills:

Demonstrate an understanding of counting by
• using the counting-on strategy
• using parts or equal groups to count sets

(It is intended that the sets be limited to less than 30 objects and that students count on from multiples of 2, 5, and 10 respectively.)
• Determine the total number of objects in a set, starting from a known quantity and counting on by 1s.
• Count number of objects in a set using groups of 2s, 5s, or 10s.
• Count the total number of objects in a set, starting from a known quantity and counting on by using groups of 2s, 5s, or 10s.

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