Math Grade 1 Quiz a two-digit number represent amounts of tens and ones – 1.NBT.B.2

In this standard, students are introduced to the concept of place value in two-digit numbers, specifically the positions of tens and ones. They learn to recognize that a two-digit number is composed of tens and ones. For instance, in the number 47, there are 4 tens (which is 40) and 7 ones. Furthermore, students also learn about special cases, such as the fact that the number 10 is made up of 1 ten and 0 ones. Grasping the idea of place value is essential because it forms the foundation for more advanced mathematical concepts, such as addition and subtraction with regrouping.