1st Grade Adding Within 20 Interactive Videos

Examine the fundamentals of addition within 20 using ten frames for comprehension. Learners will grasp key mathematical concepts, including number decomposition, visualizing numbers with ten frames, and utilizing the commutative property to simplify addition tasks.

Focusing on doubles to enhance addition and subtraction skills within 20 enables learners to deepen their understanding of fact families and apply effective math strategies for solving basic arithmetic problems.

Learn how to add two-digit numbers using the vertical method by focusing on making tens. Gain an understanding of decomposing numbers and applying the commutative property. Build foundational skills to confidently solve addition problems while recognizing the significance of number placement in calculations.

Explore the foundational concept of using doubles to simplify addition and subtraction. Develop the ability to efficiently solve math problems by leveraging doubles for quick calculations, enhancing both speed and accuracy in arithmetic.

Students explore the fundamental concepts of identifying and counting U.S. coins by focusing on their values and practical calculations. By the end of the lesson, learners will recognize different coins, understand their worth, and apply these skills to efficiently count mixed coins.

Mastering the counting on method for addition is essential for early arithmetic, as it promotes building from a larger number to sum smaller quantities. This strategy strengthens students' skills in counting, comparing numbers, and solving problems, laying a solid foundation for future mathematical achievement.

Effective methods for adding three-digit numbers are explored through the use of strategies involving number lines and base ten blocks. Learners will develop proficiency in applying various addition techniques and deepen their understanding of carrying over operations in equations.

Engage with the concept of "Doubles Plus One" through a captivating Halloween-themed narrative, making addition both enjoyable and relatable. Enhance addition skills, understand the utility of doubles in everyday math scenarios, and connect mathematical strategies to real-life situations to boost confidence and competence in problem-solving.

Focus on mastering addition within 100 by employing techniques such as number lines, number bonds, and base 10 models. Enhance arithmetic skills and deepen understanding of mathematical concepts, equipping learners with essential strategies for effective problem-solving.

Develop skills to tell time to the nearest minute and solve within-hour elapsed time problems using visual tools. Focus on using number lines and T-charts to understand and calculate elapsed time effectively.

Learners explore addition strategies through engaging marine life scenarios, enhancing their ability to add numbers efficiently. They will apply math strategies such as using doubles facts and summing to ten in real-world contexts.

Explore the concept of adding doubles, focusing on fundamental math skills such as doubling numbers like 2+2 and 4+4. By achieving proficiency in doubling numbers, learners enhance their understanding of basic addition principles.

Focus on fundamental arithmetic concepts by understanding and applying addition and subtraction using a number line. Enhance skills in solving straightforward arithmetic problems, attain a clear comprehension of basic mathematical operations, and develop effective strategies for addition and subtraction with the aid of visual tools.

Young learners engage with foundational mathematical concepts, focusing on addition through doubles, near doubles, and grouping. They develop proficiency in number addition and pattern recognition, enhancing problem-solving skills and logical reasoning abilities.

Enhance efficiency in adding and subtracting multiples of 10 using a numbers chart. Foster understanding of counting by tens, making mathematical jumps, and recognizing the impact on two-digit numbers. Students will develop skills including efficient computation of tens and improved number sense.

Explore the counting up strategy for subtraction, enabling learners to tackle problems efficiently while improving estimation skills. Completing the lessons strengthens mathematical problem-solving abilities through the use of novel subtraction strategies.

Focuses on addition strategies with an emphasis on adding doubles through visual models. Enhances ability to visualize and solve math problems by applying counting strategies. Solidifies understanding of double facts through hands-on, visual learning techniques.

Explore mental math techniques, focusing on single-digit addition and the 'make ten' strategy to simplify complex calculations. Enhance mental math abilities and develop quick problem-solving skills by practicing and understanding number bonds consistently.

Focuses on adding and subtracting numbers up to 20 using an open number line, illustrating fundamental mathematical principles. Equips learners to use number lines for efficient counting, understand the commutative property of addition, and recognize operations that are non-commutative.

Learn to calculate the area of both regular and irregular shapes by mastering the skill of decomposing complex figures. This approach enhances understanding of geometric principles by focusing on the process of summing individual areas accurately.