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General
Students learn to recognize numbers 21 to 30 from their spoken form and can write down the numbers. Students can say the numbers, write the numbers, and write the numbers in words.
Common core standard(s)
1.NBT.A.1
Relevance
Dsicuss with students that nubmers are all around us and it is important to recognize them. An example is if they want to read the temperature on a thermometer.
Introduction
Students practice recognizing numbers 11 to 20. The teacher points at a ball and the student says the number.
Development
The teacher points at the numbers 21-30 and says their names aloud. Ask students to practice saying the number aloud, repeating you. Next the numbers are in random order. Point at a number and ask the students to say the number aloud. Explain how the number must be written. Next the students practice writing the numbers in pairs. The first student selects a key with a number and says the number aloud. The second student writes the number without looking at the interactive whiteboard. Take turns.
Check that students have understood by asking the following questions:
Where might you run into these numbers?
Can you give an example? (street signs, on a ruler, taking a number at the store)
Which number do you see? Teacher can choose to write a few numbers on the interactive whiteboard and ask students to name them.
Guided Practice
Students first practice by linking a spoken number to a visual number, and then by linking a visual number to a spoken number.
Closing
Discuss with students why it is useful to recognize numbers to 30. Numbers are everywhere. An example is if you want to read a temperature on a thermometer. Check that students have understood by naming a few numbers between 21-30 and asking students to write them down. Check that students write the numbers correctly and not in reverse order.
Teaching Tip
Students who have difficulty can practice saying and writing numbers to 20. The students who are ready for a challenge can practice saying and writing numbers to 50.
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About Gynzy
Gynzy is an online teaching platform for interactive whiteboards and displays in schools.
With a focus on elementary education, Gynzy’s Whiteboard, digital tools, and activities make it easy for teachers to save time building lessons, increase student engagement, and make classroom management more efficient.