Number and Operations: Building a system of tens. part 1Illustrates students solving problems and explores their thinking to discover what they understand and misunderstand about place value in our base ten number system. Examines how this understanding affects their work with computation. Filmed in a variety of classroom settings with children and teachers of different races and ethnic groups and a balance of girls and boys. |
Contents
Introduction | 1 |
Recognizing and keeping track of groups of 10 while operating | 19 |
Written numerals and the structure of tens and ones | 43 |
Copyright | |
5 other sections not shown
Common terms and phrases
able added addition and subtraction addition problem APRIL asked base ten blocks black cubes build Carmen chapter Charlene chart child Cobb column computation confused context conventional algorithm Cuisenaire rods decided decimal fractions decimal numbers digits discussion dividing division algorithm example explain figure gave GRADE hundred hundredth-cubes ideas invented involved jelly beans keep track kids knew long division look manipulatives math mathematics mean Melissa methods multidigit numbers Nathan NOVEMBER number system OCTOBER place value procedures quantities questions regrouping represent rods SARAH second graders seemed sense Serena Sherika solution solved the problem SPECIAL ED spoken number started strategies sure System of Tens talk tally marks Tania TEACHER teaching TERC Terry Wood Therid thinking thought traditional algorithm two-digit numbers understand units wanted whole numbers whole-number rule wondered word problem write written number wrote zero