Percent Increase and Decrease Quiz
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Increasing and Decreasing Numbers in Order Up to 1000 | 14 Worksheets
Are you looking for engaging and effective resources to teach your students about increasing and decreasing numbers up to 1000? Look no further! Introducing our comprehensive worksheet bundle: "Increasing and Decreasing Numbers Mastery Pack." With 14 meticulously crafted worksheets, this pack is designed to help your students grasp the concept of number sequencing with ease. Each worksheet is thoughtfully curated to provide progressive challenges, catering to various learning styles and abilitie
PreK - 12th, Adult Education, Higher Education
Math, Mental Math, Numbers
Number Sense Superheroes - 10 More, 10 Less, 100 More, 100 Less (Mental Math)
This activity I made to help my students with not only their number sense, but addition and subtraction as well. It's a great tool to use to really have the kiddos think in terms of increasing by 10 or 100, and decreasing a number by 10 or 100. I have included 4 different worksheets, that offer a variety of numbers up to the 900s. I also thought about the challenging and critical thinking task of finding 10 less when there is a 0 in the tens place (such as: 405). These worksheets you can uti
1st - 5th
Applied Math, Mental Math, Numbers
CCSS
2.NBT.B.8
Christmas Number Sense: 10 More, 10 Less, 100 More, 100 Less (Mental Math)
This activity I made to help my students with not only their number sense, but addition and subtraction as well. It's a great tool to use to really have the kiddos think in terms of increasing by 10 or 100, and decreasing a number by 10 or 100. I have included 2 different worksheets, that offer a variety of numbers up to the 900s. I also thought about the challenging and critical thinking task of finding 10 less when there is a 0 in the tens place (such as: 405). These worksheets you can uti
1st - 5th
Mental Math
CCSS
2.NBT.B.8
Winter Number Sense: 10 More, 10 Less, 100 More, 100 Less (Mental Math)
This activity I made to help my students with not only their number sense, but addition and subtraction as well. It's a great tool to use to really have the kiddos think in terms of increasing by 10 or 100, and decreasing a number by 10 or 100. I have included 2 different worksheets, that offer a variety of numbers up to the 900s. I also thought about the challenging and critical thinking task of finding 10 less when there is a 0 in the tens place (such as: 405). These worksheets you can uti
1st - 5th
Mental Math
CCSS
2.NBT.B.8
Thanksgiving Number Sense: 10 More, 10 Less, 100 More, 100 Less (Mental Math)
This activity I made to help my students with not only their number sense, but addition and subtraction as well. It's a great tool to use to really have the kiddos think in terms of increasing by 10 or 100, and decreasing a number by 10 or 100. I have included 2 different worksheets, that offer a variety of numbers up to the 900s. I also thought about the challenging and critical thinking task of finding 10 less when there is a 0 in the tens place (such as: 405). These worksheets you can uti
1st - 6th
Mental Math, Numbers
CCSS
2.NBT.B.8
Winter Trolls Number Sense: 10 More, 10 Less, 100 More, 100 Less
This activity I made to help my students with not only their number sense, but addition and subtraction as well. It's a great tool to use to really have the kiddos think in terms of increasing by 10 or 100, and decreasing a number by 10 or 100. I have included 2 different worksheets, that offer a variety of numbers up to the 900s. I also thought about the challenging and critical thinking task of finding 10 less when there is a 0 in the tens place (such as: 405). These worksheets you can uti
1st - 5th
Mental Math
Also included in: BUNDLE Winter-Christmas Math No-Prep Activities (30 Products)
St. Patty's Day Number Sense - Mental Math: 1 More, 1 Less, 10 More, 10 Less
This activity I made to help my students with their number sense abilities. It's a great tool to use to really have the kiddos think in terms of number order and sequencing, as well as increasing by 10, and decreasing a number by 10. I have included 4 different worksheets, that offer a variety of numbers up from the 10's to 90's...all 2 digit only. This version is a differentiated version to my other, challenging ones. These worksheets you can utilize whole group, small group, or independentl
PreK - 3rd
Math, Mental Math
CCSS
2.NBT.B.8
Valentine's Day Number Sense - Mental Math: 1 More, 1 Less, 10 More, 10 Less
This activity I made to help my students with their number sense abilities. It's a great tool to use to really have the kiddos think in terms of number order and sequencing, as well as increasing by 1 and by 10, and decreasing a number by 1 and by 10. I have included 4 different worksheets, that offer a variety of numbers up from the 10's to 90's...all 2 digit only. This version is a differentiated version to my other, challenging ones. These worksheets you can utilize whole group, small grou
PreK - 3rd
Mental Math
CCSS
2.NBT.B.8
Summer Number Sense Mental Math: 1 More, 1 Less, 10 More, 10 Less, 100 More
This activity I created to help my students with their number sense abilities. It's a great tool to use to really have your kiddos think in terms of number order and sequencing, as well as increasing by 1, and decreasing a number by 1; as well as increasing by 10, and decreasing by 10, etc. I have included 3 different worksheets, that offer a variety of numbers up from the 10's to 90's...all 2 digit only. These worksheets you can utilize whole group, small group, or independently depending on
1st - 5th
Mental Math
CCSS
2.NBT.B.8
Also included in: BUNDLE: Summer Number Sense Mental Math: Differentiated (3 Products)
Spring Number Sense - Mental Math: 1 More, 1 Less, 10 More, 10 Less, 50 More
This activity I created to help my students with their number sense abilities. It's a great tool to use to really have your kiddos think in terms of number order and sequencing, as well as increasing by 1, and decreasing a number by 1; as well as increasing by 10, and decreasing by 10, etc. I have included 3 different worksheets, that offer a variety of numbers up from the 10's to 90's...all 2 digit only. This version is a differentiated version to my other, challenging ones. These worksheets
PreK - 3rd
Mental Math
CCSS
2.NBT.B.8
Also included in: BUNDLE: Spring Number Sense Mental Math: Differentiated (3 Products)
Spring Number Sense: 10 More, 10 Less, 100 More, 100 Less
This activity I made to help my students with not only their number sense, but addition and subtraction as well. It's a great tool to use to really have the kiddos think in terms of increasing by 10 or 100, and decreasing a number by 10 or 100. I have included 2 different worksheets, that offer a variety of numbers up to the 900s. I also thought about the challenging and critical thinking task of finding 10 less when there is a 0 in the tens place (such as: 405). These worksheets you can uti
1st - 5th
Mental Math
Also included in: BUNDLE: Spring Number Sense Mental Math: Differentiated (3 Products)
Easter Number Sense: 10 More, 10 Less, 100 More, 100 Less
This activity I made to help my students with not only their number sense, but addition and subtraction as well. It's a great tool to use to really have the kiddos think in terms of increasing by 10 or 100, and decreasing a number by 10 or 100. I have included 2 different worksheets, that offer a variety of numbers up to the 900s. I also thought about the challenging and critical thinking task of finding 10 less when there is a 0 in the tens place (such as: 405). These worksheets you can uti
1st - 5th
Mental Math
Halloween Number Sense Mental Math: 1 More, 1 Less, 5 More, 5 Less, 10 More
This activity I created to help my students with their number sense abilities for October. It's a great tool to use to really have your kiddos think in terms of number order and sequencing, as well as increasing by 1, and decreasing a number by 1; as well as increasing by 5, and decreasing by 5, etc. I have included 3 different worksheets, that offer a variety of numbers up from the 10's to 90's...all 2 digit only. These worksheets you can utilize whole group, small group, or independently dep
1st - 5th
Math, Mental Math
CCSS
2.NBT.B.8
Also included in: BUNDLE: Halloween Number Sense Mental Math: Differentiated (2 Products)
Counting on Strategy Days 1-3
Counting On Strategy – Days 1–3 BundleGive your students a solid foundation in mental math with this 3-day Counting On Strategy bundle! Perfect for K–2 classrooms, this resource is designed to help students visualize and master the strategy of counting on when adding—starting with basic facts and building up to numbers within 100. Each day includes: ✔️ Step-by-step visual instructions ✔️ Scaffolded practice problems that increase in difficulty ✔️ A built-in exit ticket for quick formative
K - 2nd
Basic Operations, Math Test Prep, Mental Math
CCSS
K.OA.A.2
, K.OA.A.5
, 1.OA.C.5
+2
Thanksgiving Number Sense Mental Math 5 More, 5 Less, 10 More, 10 Less, 100 More
This activity I created to help my students with their number sense abilities for the October. It's a great tool to use to really have your kiddos think in terms of number order and sequencing, as well as increasing by 5, and decreasing a number by 5; as well as increasing by 10, and decreasing by 10, etc. I have included 3 different worksheets, that offer a variety of numbers up from the 100's to 900's...all 3 digit only. These worksheets you can utilize whole group, small group, or independe
1st - 5th
Math, Mental Math
CCSS
2.NBT.B.8
Christmas Number Sense / Mental Math 5 More, 5 Less, 10 More, 10 Less, 100 More
This activity I created to help my students with their number sense abilities for the December month. It's a great tool to use to really have your kiddos think in terms of number order and sequencing, as well as increasing by 5, and decreasing a number by 5; as well as increasing by 10, and decreasing by 10; as well as increasing by 100, and decreasing by 100. I have included 3 different worksheets, that offer a variety of numbers up from the 100's to 900's...all 3 digit only. These worksheets
1st - 5th
Mental Math
CCSS
2.NBT.B.8
Winter Number Sense Mental Math: 1 More, 1 Less, 5 More, 5 Less, 10 More
I created this Number Sense Differentiated activity to challenge my students with their number sense abilities using 2-digit numbers. It's a great tool to use to really have your kiddos think in terms of number order and sequencing, as well as increasing by 10, and decreasing a number by 10; as well as increasing by 1, and decreasing by 1, etc. I have differentiated the worksheets depending on your students abilities. I have included 2 different worksheets that are differentiated:Page 1 and 2 (
1st - 5th
Applied Math, Mental Math, Other (Math)
CCSS
2.NBT.B.8
Thanksgiving Number Sense Mental Math: 1 More, 1 Less, 5 More, 5 Less, 10 More
I created this Number Sense Differentiated activity to challenge my students with their number sense abilities using 2-digit numbers. It's a great tool to use to really have your kiddos think in terms of number order and sequencing, as well as increasing by 10, and decreasing a number by 10; as well as increasing by 1, and decreasing by 1, etc. I have differentiated the worksheets depending on your students abilities. I have included 2 different worksheets that are differentiated:Page 1 and 2 (
1st - 5th
Applied Math, Mental Math, Other (Math)
CCSS
2.NBT.B.8
Fall / Autumn Number Sense Mental Math: 1 More, 1 Less, 5 More, 5 Less, 10 More
I created this Number Sense Differentiated activity to challenge my students with their number sense abilities using 2-digit numbers. It's a great tool to use to really have your kiddos think in terms of number order and sequencing, as well as increasing by 10, and decreasing a number by 10; as well as increasing by 1, and decreasing by 1, etc. I have differentiated the worksheets depending on your students abilities. I have included 2 different worksheets that are differentiated:Page 1 and 2 (
1st - 5th
Applied Math, Mental Math, Other (Math)
CCSS
2.NBT.B.8
1st Grade:Addition&Subtraction 10, Adding & Subtracting Multiples of 10 under100
This worksheet is designed for 1st grade students to practice addition and subtraction 10 and adding and subtracting multiples of 10 up to 100. Students will build strong number sense by working with simple equations and base-10 numbers. The activities help children understand how numbers increase and decrease, recognize patterns in tens, and develop confidence in basic math skills. This resource is perfect for classroom practice, homework, math centers, or extra review at home.
K - 2nd
Math Test Prep, Mental Math, Other (Math)
CCSS
1.NBT.C.4
, 1.NBT.C.5
, 1.NBT.C.6
Two-digit Addition Using Compensation Strategy ( With answer key)- Grades 1-3
Help your students build strong mental math skills with this Two-Digit Addition Using the Compensation Strategy pack! This resource includes 10 worksheets (4 problems per page — 40 problems total) designed to help students practice adjusting numbers to make addition easier. Perfect for Grades 1–3. Students will learn to add by increasing or decreasing one number and adjusting the other to create a friendly number (like a multiple of 10), making mental addition faster and easier. What’s insid
1st - 3rd
Mental Math, Numbers
CCSS
2.NBT.B.5
Year 2 Number Patterns & Skip Counting | Australian Curriculum | 2‑Page Set
Support your Year 2 students as they build confidence with number patterns, skip counting, and number relationships using this simple, print‑and‑go worksheet set. Perfect for warm‑ups, independent practice, small‑group rotations, homework, or quick assessment checks. A teacher‑only Kahoot warm‑up link is included to introduce the skill before students begin. ⭐ What’s IncludedPage 1 – Number Patterns, Skip Counting & True/FalseStudents practise essential patterning skills: Continue increasing
1st - 3rd
Basic Operations, Mental Math, Numbers
1st Grade Math Enrichment Bundle
This bundle contains 6 products to enrich students who have been successful with First Grade Math Standards. One product has students create fact families only given the sum. They must find two addends that complete the fact family and then write the addition and subtraction sentences.One product has addition and subtraction problems where students must find the missing number in the equation.One product contains skip counting worksheets with various starting points and increments. They also in
1st - 2nd
Basic Operations, Math, Mental Math
CCSS
1.NBT.C.4
, 1.NBT.C.6
, 2.NBT.B.5
+8
Skip Counting in Nines—self directed worksheets
1.9 Skip Counting in NinesSkip counting lays out the patterns fundamental to arithmetic. In these self-directed workbooks students will internalize these patterns and pave the way to mastery over numbers. Skip counting in nines is really just counting backwards. The only tricky part is remembering not to change the tens' when the number ends in zero: 0, 9, 1 8, 2 7, 3 6, etc. PrerequisitesStudents should be familiar with skip counting in tens a
PreK - 3rd
Math, Mental Math, Numbers
CCSS
K.CC.B.4
, 1.NBT.B.2
, 2.NBT.A.2
+1
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