Coding Without Computers
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Three Digit Subtraction Without Regrouping Worksheet
Worksheet with 15 three-digit subtraction problems without regrouping. Students solve the subtraction problem. They then use the color code at the bottom of the worksheet to color the umbrella, based off whether the difference is odd or even.
2nd
Basic Operations
CCSS
2.NBT.B.7
JERC Addition Facts Tool 5 Day Free Trial
The JERC Addition Facts Tool creates infinite variations of addition worksheets with a few mouse clicks. It can also be used as a computer activity that gives instant feedback to students. Skills include addition facts to 10, addition facts to 20, 1-digit + 2-digit numbers with and without regrouping, 2-digit + 2-digit numbers with and without regrouping, and 3-digit + 2 or 3-digit numbers.
PC Requirements: Microsoft Excel 2004 or 2008
Mac Requirements: Microsoft Excel 2004
Important:
1) The
1st - 4th, Adult Education
Arithmetic, Basic Operations
JERC Subtraction Facts Tool 5 Day Free Trial
The JERC Subtraction Facts Tool creates infinite variations of subtraction worksheets with a few mouse clicks. It can also be used as a computer activity that gives instant feedback to students. Skills include subtraction facts to 10, subtraction facts to 20, 2-digit - 1-digit numbers with and without borrowing, 2-digit - 2-digit numbers, and 3-digit - 2 or 3-digit numbers.
PC Requirements: Microsoft Excel 2004 or 2008
Mac Requirements: Microsoft Excel 2004
Important:
1) The JERC Subtraction F
1st - 4th, Adult Education
Arithmetic, Basic Operations
Using the Calculator on the Computer
The calculator app is one of the most useful apps that come standard in all computers and smart phones. Your students will be able to confidently use the calculator app to perform simple addition and subtraction by the end of this lesson. Included is a lesson plan to guide the session and a printable worksheet for students to follow along on. There is a short True or False plenary activity at the end which will aid the Teacher in gaining immediate feedback about students' understanding of the pu
1st - 2nd
Basic Operations, Computer Science - Technology
FREE Math Whodunnit Escape Room Sampler | Grades 6–8 | Ratios | CCSS 6.RP
The school timetable was altered overnight — and the evidence trail starts here. Three investigation stations are open. The ratio calculations on the scheduling office whiteboard do not add up correctly. The gym office unit rate data has been selectively stripped. The data room proportional charts have been rearranged. Detective Chen needs a student who understands ratios, unit rates, and proportional relationships. That student is your class. This free sampler is the introduction to the DeskMad
6th - 8th
Algebra, Basic Operations, Numbers
CCSS
8.EE.A.1
, 8.EE.A.2
, 8.EE.A.3
 +23
Code cracker math jokes –Fast finisher activities | Early finisher activities
Give your fast finishers something fun to do while they practice their times tables. Students solve equations to work out the letters that will crack the code of jokes that will crack them up! Answer key included. Different versions for US and UK spellings included if applicable.
2nd - 5th
Basic Operations, Math, Numbers
CCSS
3.OA.A.4
, 3.OA.C.7
Also included in:Â Code cracker jokes - 15 x multiplication/division practice - fast finishers
Free Christmas Code Cracker Grades 1-2
Add a dash of festive fun to your maths lessons with this joyful Christmas mystery! In this escape room / code cracker students become maths detectives as they crack codes to find out where the missing present has been hidden. With every clue, the excitement builds, making this the perfect way to bring some holiday cheer to your numeracy block. Find this resource in our money-saving code cracker BUNDLE.Ideal for Year 1 and Year 2 students, this low-prep activity blends number skills, shape knowl
1st - 2nd
Basic Operations, Geometry
Also included in:Â Code Cracker BUNDLE / Escape Room BUNDLE Grades 1-2
CONSTITUTION DAY BREAK THE CODE MATH
The following worksheet requires the students to solve simple multiplication problems to decipher a secret code. The code reads: The Constitution, a plan for how our government works! Great for students working on their x1, x2, and x3 facts.
2nd - 3rd
Basic Operations, Math, U.S. History
Can You Crack The Code?
This activity is designed to extend students' understanding of different types of patterns (numerical, alphabetical, & geometric). The activity is intended for students to work in cooperative pairs and design their own original pattern for their fellow classmates to solve. I always use this activity prior to Back-To-School Night and have them on display in my classroom. The students love the idea of challenging their parents and the parents have fun finding their children's work and attempt
4th - 8th
Basic Operations, Math, Other (Math)
QR Code - 2-digit by 2-digit multiplication
This item requires a technology device that scans QR codes. The first page is a list of 10 2-digit by 2-digit multiplication problems. There is a line for the answer and another line to write which QR codes matches the answer. There are 10 QR codes (3 pages). Each QR codes is the answer to one of the multiplication problems. The QR codes number matches the number of the problem (i.e., QR #1 is the answer to question #1).
4th - 6th
Basic Operations
Spin and Add (two digit addition with and without regrouping) ~ EDITABLE
Students can practice adding two digit problems with and without regrouping using pennies and dimes. This can be used as a center or as a large group lesson. Students will use the spinner sheet and spin using a pencil and a paper clip. As they spin, they can record the numbers on the worksheet and solve the problems.
K - 2nd
Basic Operations, Math, Place Value
CCSS
1.NBT.B.2
, 1.NBT.C.4
, 1.OA.B.3
 +5
3 Digit Subtraction Task Cards with QR Codes
This set of FREE task cards addresses 3-digit subtraction with regrouping! The QR codes provide a text answer for students to check their work. Task cards are awesome ways to provide differentiation opportunities, to use as a center, or to use for small groups. The QR codes are a great way to tie in technology and motivate students!
2nd - 4th
Basic Operations, Math
Math Secret Code Activity/ Simplifying Fractions
This activity asks students to simplify fractions, and match the answer with the letter and place it in the secret code (quote or saying) below. This quote or saying goes along with a commercial, movie clip or some other usually humorous short video (link provided) that the class enjoys afterward . I would make and use these every couple weeks as a review, warm up or take home activity, and the students enjoyed and looked forward to them, and it provided good drill and practice.
4th - 6th
Basic Operations, Fractions, Math
Addition and Subtraction Check With and Without Regrouping
Great assessment or homework item for assessing student's ability to add and subtract with and without regrouping.
2nd - 5th
Basic Operations
Subtraction without regrouping
Two-digit subtraction without regrouping
Includes two word problems.
Aligned to MN math state standard.
**Please rate after downloading! :)
2nd
Basic Operations, Other (Math)
2nd Grade 2.NBT.2 With QR Codes
NBT 2, skip counting, with QR CODES
1st - 3rd
Basic Operations, Mental Math, Numbers
CCSS
2.NBT.A.2
QR Code Multiplication Using Grid Method TUXU
A resource I made for teaching the grid method. Children take a question and work out the answer then check using the QR codes. Contains 12 questions with matching QR code.
Please make sure you have a way for the children to scan the QR codes before purchasing!
3rd - 6th
Basic Operations, Math, Numbers
Crack the Code Subtraction (or Addition)
Use this fun math sheet to practice subtraction. Students solve the math sentences and then solve the question! The file is in a word document in case you would like to change/differentiate the problems. You can also change this to addition.
PreK - 2nd
Basic Operations, Mental Math, Numbers
Basic Addtion QR Codes
Here are addition fact family cards 1-9. Kids can do this independently at a station, all they need is a QR reader to get the answer. Very Independent and Very Easy to Use!
PreK - 3rd
Basic Operations, Math
3-Digit Subtraction using Model Drawing
QR code scanner app-Model Drawing 3-Digit Subtraction
2nd
Basic Operations
CCSS
2.NBT.B.7
Adding Integers - Am I Positive or Negative?
Students color-code whether the sum should result in a positive or negative integer.
6th - 8th
Basic Operations
CCSS
7.NS.A.1b
Teaching double digit Multiplication with Carrying
It uses color coding and a box with directions for teaching kids struggling with the multi steps in solving double digit multiplication problems with carrying.
3rd - 4th
Basic Operations
3-Digit Addition Place Value Mat
A simple color coded 3- digit addition place value mat. Print. Laminate. Use again and again! Perfect for centers!
1st - 5th, Adult Education
Basic Operations, Math, Numbers
Thanksgiving Turkey - Basic Addition and Subtraction Facts within 10
This is a color-by-code activity. Students answer the basic addition and subtraction facts on the turkey. Then, they use the given code to color the turkey.
1st - 3rd
Basic Operations, Mental Math
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