Subtract By Counting On Lessons

Students will grasp fact families using addition and subtraction within the number 20. They will develop problem-solving skills by employing strategies such as making-a-ten and effectively using number lines and ten frames.

Exploration of mathematical patterns through in/out tables challenges learners to identify and apply rules involving addition and subtraction. Practical examples enhance the ability to recognize numerical patterns and develop problem-solving skills.

Exploration of the core skill of counting on for mental addition begins with starting from the largest number. This enhances learners' mental math abilities, enabling them to perform efficient additions up to 20, aligned with standard KY.2.OA.2.

Counting techniques using vibrant flower illustrations help enhance understanding of numbers and quantities. Learners develop foundational counting skills and gain confidence in recognizing numerical patterns through engaging visual aids.

Explore the fundamental concepts of subtraction through techniques such as counting back, counting up, and the stacked method. Enhance accuracy and confidence in performing subtractions by mastering different approaches, and build a solid foundation in essential math skills.

Concentrating on subtraction skill development through the counting back strategy on an open number line, learners will acquire techniques to fluently subtract by comprehending place value changes and visualizing mathematical operations. This approach enhances numerical problem-solving abilities.

Learn to skip count by twos, enhancing the ability to recognize number patterns and sequences in mathematics. Strengthen number sense and develop skills to identify and extend numeric sequences.

Master essential subtraction skills by focusing on groups of hundreds, tens, and ones. Learners will develop mental math strategies and apply counting back using open number lines. The process enhances the ability to identify and manipulate place values, strengthen mental subtraction strategies, and accurately complete number patterns.

Develop a comprehensive understanding of fractions by identifying equivalent fractions and comparing them with like and unlike denominators. Enhance skills in performing addition and subtraction of fractions with both like and unlike denominators. Gain proficiency in ordering and calculating with fractions to build confidence in handling fractional operations.

Explore the fundamentals of multiplying decimals by 10 and learn the technique of counting zeroes. Develop a robust understanding of decimal multiplication and gain the ability to apply this knowledge to solve practical arithmetic problems.

Learn the fundamentals of decimals and their role in number systems through a series of interactive questions. Engaging with this content leads to a solid understanding of decimal concepts, enhancing numerical literacy and confidence in mathematical reasoning.

Exercises designed to strengthen skills in subtracting mixed numbers are provided, with a focus on converting these numbers into improper fractions. Students will develop their arithmetic abilities and gain a deeper understanding of mixed number conversions and subtraction techniques.

Focuses on teaching the concept of adding and subtracting fractions with like denominators using number lines. Emphasizes understanding of fraction operations and the ability to visually represent fraction addition and subtraction. Learners will develop skills in applying simplification techniques effectively.

Develop skills in counting by twos to enhance the ability to recognize and extend numerical patterns, leading to improved number sense and arithmetic proficiency.

Gain a strong foundation in calculating with decimals by focusing on place value alignment and precise computational techniques. Develop arithmetic skills to confidently and accurately perform multi-digit decimal addition and subtraction.

Explore decimal place values to gain a strong understanding of decimals. Master skills to compare decimals and perform precise addition and subtraction, establishing essential arithmetic abilities crucial for future mathematical success.

Learn the fundamentals of multi-digit decimal operations using the standard algorithm, focusing on accurately computing sums and differences. Enhance mathematical fluency and precision in adding and subtracting decimals.

Focus centers on enhancing counting skills through engaging exercises involving objects. Learners will achieve proficiency in counting up to 20 and develop familiarity with numerical representation through interactive quizzes, fostering both accuracy and confidence in early mathematical understanding.

Focus on solving problems related to common denominators in fractions and operations to enhance skills in simplifying fractions and calculating least common multiples, improving accuracy in fraction addition and subtraction.

Students will enhance their mastery of addition and subtraction through diverse problem-solving exercises, achieving proficiency in calculating sums and differences. This will develop their numerical fluency and strengthen problem-solving skills.