Blog #3- Place Value & Bundling
Grade Level: 1st Standard: NY-1.NBT.2 This standard states, 2. Understand that the two digits of a two-digit number represent amounts of tens and ones. a. Understand 10 can be thought of as a bundle of ten ones, called a "ten". b. Understand the numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones. c. Understand the numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones). For this standard, students need to understand three components to fully grasp that in 2-digit numbers, there is a tens place and a ones place. For instance, even when explaining an answer or solving one, students need to say "2 tens and 5 ones " if they want to say 25. The place value topic is a vital foundation to instill into students as young as to first graders. Even now with my third grade while doing student teaching, they are recalling the base ten numbers ...