Mentally add 10 or 100 to a given number 100–900, and mentally
subtract 10 or 100 from a given number 100–900.
Name |
Description |
Hop Up, Hop Down- Three-Digit Numbers | In this lesson, the students will be adding and subtracting 10 or 100 to/from a given three-digit number. The students will recognize patterns that occur and use these patterns to mentally identify the number that is 10 or 100 more or less than a given number. |
Hop Up, Hop Down- Two-Digit Numbers | In this lesson, the students will be adding and subtracting 10 to/from a given two-digit number. The students will recognize patterns that occur and use these patterns to mentally identify the number that is 10 more or less than a given number. |
Mental Math Mania | This is a lesson that will ensure students walk away with the vital skill of mentally finding 10 or 100 more or 10 or 100 less than a given three-digit number. There is a partner game included with a little competition involved. |
Sweet Mental Math | In this lesson students will learn to use the place value knowledge gained to identify the number that is 10 more, 10 less, 100 more, or 100 less than a given number. This is the continuation of a story found in previous lessons "Sweet Addition and Subtraction"and "Sweet Place Values." |
Tic Tac Toe by Tens and Hundreds | This is an engaging hands-on activity which challenges students as they learn to find 10 or 100 more or less than a given number three-digit number. |
Name |
Description |
Place Value Party - Part 5: 100 Less | Learn how to create numbers that are 100 less as you wrap up the place value party in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|
Place Value Party - Part 4 | Find 100 less and 100 more than a given 3-digit number by helping Kaylin and Quinten keep track of the place value party game points in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|
Place Value Party - Part 2 | Find 10 more and 10 less than 3-digit numbers with regrouping to help Kaylin and Quinten keep score at the place value party in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|
Place Value Party - Part 1 | Mr. Mahoney challenges students to solve 10 less and 10 more problems in a place value party planning adventure in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|
Place Value Party - Part 3 | Find the value of 3-digit numbers which are 10 less with regrouping as Kaylin and Quinten keep score at a place value party in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|
Name |
Description |
Place Value Party - Part 5: 100 Less: | Learn how to create numbers that are 100 less as you wrap up the place value party in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|
Place Value Party - Part 4: | Find 100 less and 100 more than a given 3-digit number by helping Kaylin and Quinten keep track of the place value party game points in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|
Place Value Party - Part 2: | Find 10 more and 10 less than 3-digit numbers with regrouping to help Kaylin and Quinten keep score at the place value party in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|
Place Value Party - Part 1: | Mr. Mahoney challenges students to solve 10 less and 10 more problems in a place value party planning adventure in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|
Place Value Party - Part 3: | Find the value of 3-digit numbers which are 10 less with regrouping as Kaylin and Quinten keep score at a place value party in this interactive tutorial.
This is part 1 in five-part series. Click below to view the other tutorials in the series.
|