(Sub-1) S10.1 Two Digit Subtraction with Regrouping
Click on "Give Me A Problem" and use the manipulatives to solve the differences. If you need assistance, click on the HELP button at the top. The Did you know that... at the top right, will read subtraction tips by clicking on the green smiley face.
(Sub-2) S10.1 Subtraction Using Base Ten Blocks
Use the base ten blocks to solve the difference in the problem with regrouping. First, connect the dots by counting by fives. Remember, if you need to trade a ten for tens ones, do it before you subtract in the ones column. How many problems were you able to solve?
(Sub-3) S10.1 Step-by-Step Subtraction with Regrouping
The train will take you step-by-step through the subtraction process with regrouping. When the train appears, it will have instructions for you next to the green circle. Type in the answers where the hand appears to be pointing. If you need any assistance click on the REVIEW button. What was your final score?
(Sub-4) S12.5 Estimate the Difference (1)
After clicking the START SUBTRACTION button and subtraction problem will appear. Estimate the difference of the two numbers and click on the number that represents the estimate. How many were you able to answer correctly?
(Sub-5) S12.5 Estimate the Difference (2)
This game is played the same as the above game but has a higher level of difficulty. Good luck!
