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Welcome to Addition: Learning Add Doubles! – Fun with adding numbers – What are ‘Add Doubles’? – ‘Add Doubles’ means adding the same number twice, like 2+2 or 3+3. – Adding a number to itself – It’s like having two of the same candies and counting them all. – Let’s practice together – We’ll use examples like 4+4 and 5+5 to learn. | This slide introduces first graders to the concept of ‘Add Doubles’ as a strategy for addition. Start by creating excitement about learning a new way to add numbers. Explain that ‘Add Doubles’ is simply adding the same number to itself, which can be a quicker way to add. Use tangible examples like candies or toys to illustrate the concept. During practice, encourage students to use their fingers or objects to count and visualize the addition. This hands-on approach helps solidify their understanding of the concept. Prepare to guide them through several examples and ensure they grasp the idea before moving on to more complex addition strategies.

Learning About Doubles – What are doubles in addition? – Doubles are pairs of the same number added together. – Examples of simple doubles – Like 1+1=2, 2+2=4, and 3+3=6. – Counting by twos using objects – Use items like blocks or buttons to count 2, 4, 6, … – Doubles help us add faster | This slide introduces the concept of doubles to first-grade students, which is a foundational addition strategy. Start by explaining that doubles are simply two of the same number added together. Show visual examples using simple math problems like 1+1, 2+2, and 3+3. To make it interactive, incorporate counting by twos with tangible objects such as blocks or buttons, which will help them visualize the concept. Emphasize that knowing doubles can make adding numbers quicker and easier. During the class, encourage students to come up with their own doubles and practice counting by twos. This will reinforce their understanding and help them recognize patterns in addition.

Adding Doubles with Objects – Learn to add doubles – Use objects like apples or balls – Count objects together – Example: 2 apples + 2 apples = 4 apples (Double of 2 is 4) | This slide is aimed at helping first graders understand the concept of adding doubles by using tangible objects such as apples or balls. The activity is designed to be interactive, allowing students to physically count and combine objects in pairs to reinforce the concept of doubling. The example provided on the slide should be demonstrated with actual objects to show students the practical application of the addition strategy. Encourage the students to bring similar objects from home for the next class to practice adding doubles with different items. This hands-on approach helps solidify the mathematical concept in a fun and engaging way.

Doubles Rhyme: Sing Along to Remember! – Doubles help with quick addition – Sing the doubles rhyme – We’ll sing a song to learn doubles – Rhymes make remembering fun – Like ‘6 and 6 are 12’, put to a tune! – Doubles facts become easy – Practice until they’re second nature | This slide introduces a fun and interactive way for first graders to learn and memorize their doubles facts, which are an essential part of addition strategies up to 20. The doubles rhyme is a catchy song that helps students remember the sum of two identical numbers. Encourage the students to sing along and practice the rhyme until they can recall the doubles facts quickly and without hesitation. This activity not only makes learning math fun but also enhances memory retention through auditory and rhythmic reinforcement. During the next class, have a sing-along session and perhaps incorporate some simple movements or clapping to further engage the students.

Practice Time: Adding Doubles – Try adding doubles on your own – Fill in the blanks with correct sums – Example: 4 + 4 = ____ – If we have 4 and add another 4, what do we get? – Share your answers with the class | This slide is designed to engage first-grade students in practicing the concept of adding doubles, which is a foundational addition strategy. Encourage the students to use their fingers or objects like counters to find the sum of two identical numbers. Provide them with simple double addition sentences to complete, such as 2 + 2, 3 + 3, and so on, up to 10 + 10. Remind them that doubles are just two of the same number added together. After they complete the sentences, ask them to share their answers with the class to reinforce their learning and to celebrate their successes together. This activity will help solidify their understanding of addition and prepare them for more complex math concepts.

Let’s Play a Doubles Game – We’re practicing doubles with a game – Roll the dice to begin – Roll it and see what number you get – Move the number of doubles spaces – If you roll a 2, move 4 spaces because 2 + 2 equals 4 – Reach the end to win! | This slide introduces a classroom activity designed to help first graders practice addition with doubles. The game involves rolling a dice and moving a piece on a game board the number of spaces that is double the number rolled. For example, if a student rolls a 3, they move 6 spaces (3+3). This activity reinforces the concept of doubles and provides a fun, interactive way for students to engage with math. Prepare a game board with spaces enough for the highest possible roll doubled. Have multiple game sets available if the class size is large, so students can play in small groups. Possible variations of the activity could include using cards with numbers instead of dice, or having ‘challenge’ spaces where students must solve a doubles fact to move ahead.

Class Activity: Doubles Craft – Create a doubles craft using paper and stickers – Pair up stickers to show doubles – Share your doubles craft with the class – Explain the doubles you’ve created – For example, if you have 2 stickers of a cat, say ‘2 plus 2 equals 4’ | This activity is designed to help first graders understand the concept of ‘doubles’ in a fun and interactive way. Provide each student with paper and a set of stickers. Instruct them to place stickers in pairs to visually represent doubles (e.g., 2 apples and 2 apples). Once they’ve completed their craft, each student will present their work to the class and explain the doubles they’ve created, reinforcing their addition skills. For example, if a student pairs two sun stickers and two moon stickers, they would explain, ‘2 suns plus 2 moons equals 4 in total.’ This activity not only teaches addition but also encourages creativity and public speaking skills. Possible variations of the activity could include using different stickers for each pair or creating a doubles booklet with several pages of doubles.

Review and Goodbye! – Recap adding doubles – Sing the doubles rhyme – Helps memorize doubles facts – Praise for today’s work – Farewell until next lesson | As we conclude today’s lesson on adding doubles, take a moment to review the key points. Reinforce the concept by singing the doubles rhyme together, which aids in memorization of doubles facts. Offer praise to the students for their hard work and participation in today’s activities. Let them know you’re looking forward to seeing them in the next class, and encourage them to practice their new skills at home. For the teacher: Consider sending home a doubles worksheet for additional practice, and prepare a small doubles-related game for the start of the next lesson to refresh their memory.