Subtraction Of Two Digit Numbers easy Math quiz

Teaching kids subtracting two digit numbers

Subtracting two-digit numbers can be a challenging concept for children, but with practice and the use of visual aids, they can learn to solve these problems effectively.

One important concept that children need to understand when subtracting two-digit numbers is place value. Place value is the value of each digit in a number based on its position. For example, in the number 42, the 4 is in the tens place and has a value of 40, and the 2 is in the ones place and has a value of 2. Understanding place value is essential for children to be able to correctly subtract two-digit numbers.

A helpful method for teaching subtraction of two-digit numbers is to use base-10 blocks or place value charts. These visual aids allow children to physically manipulate the numbers and understand the concept of place value. For example, if a subtraction problem asks, “If there are 42 apples and 12 are taken away, how many apples are left?”, a child can use base-10 blocks to represent 42 and then take away the appropriate blocks to find the answer of 30 apples left.

Another method is to use the “expanded” subtraction. To make the subtraction more intuitive, it’s good to write down the numbers to be subtracted as expanded form. For example, instead of 42-12, it will be 40-10-2-10. This will help children to see how the numbers being subtracted are being taken away from the original number.

Another helpful strategy is the “borrowing” and “carrying” technique for subtraction when you have to subtract a number from a smaller digit. For example, if a subtraction problem asks, “If there are 34 apples and 16 are taken away, how many apples are left?” the child could borrow a ten from the tens place and subtract 6 from the 4, and then subtract the 10 from the 3, which gives you 18 apples left.

It’s also important to use real-world examples and scenarios to make the subtraction more relatable for children. For example, instead of using abstract numbers, use scenarios such as “If you have $9.50 and you buy a toy that cost $6.75, how much money do you have left?” Using real-world examples makes the math more meaningful and helps children to connect the problem to their everyday lives.

To practice subtraction of two-digit numbers, it’s helpful to have children work with a partner or in small groups. This allows them to verbalize their thinking, receive feedback from their peers, and build a deeper understanding of the concept. It’s also helpful to encourage children to check their work by reversing the subtraction and adding the original numbers.

In addition, it’s also helpful for children to practice subtraction using worksheets and online interactive games. These resources provide children with extra practice and allow them to progress at their own pace.

While solving subtraction of two-digit numbers for kids, it’s important to keep in mind that children will progress at their own pace. Encourage children to take their time, use visual aids, and keep practicing to build their understanding and confidence with subtraction of two-digit numbers.

In summary, subtraction of two-digit numbers can be challenging, but with the use of visual aids, place value, real-world examples, borrowing and carrying technique, and practice, children can learn to solve them effectively. It’s important to be patient and supportive as children learn this new math skill.