
Nelson EducationSchoolMathematics 2  
Surf for More MathLesson 2  Adding on a 100 ChartUse these interactive activities to encourage students to have fun on the Web while learning about adding on a 100 chart. Students can try these activities on their own or in pairs.
GoalsUse a 100 chart to add 2digit numbers. Add 10 to a 2digit number.
Instructions for UseCounter Square lets students solve addition problems using a 100 chart. To use Counter Square, click the "Make Counters" button to create multicoloured counters. Drag and drop them onto the grid to show number patterns of the students' choice. Click "Ideas" for suggestions on how to use counters on the grid. Interactive Calculator allows students to add 2digit numbers and display them on a 100 chart. To use Interactive Calculator, start by clicking a 2digit number on the interactive calculator. This number will appear in the calculator window. Click the "+" button on the calculator, and then click a different 2digit number. Press the "=" button on the calculator to find the sum of the 2 numbers.

