Parallel Lines Project - Page 2
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Addition and Subtraction
. Addition Addition is the process of adding things or numbers together. Example: • “If we have 2 apples and a friend gives us 3 more, how many apples do we have now?” Answer: 2 + 3 = 5 How to teach children: • Use real objects, such as ping pong balls, pencils, or toys, to help children understand the addition of numbers. • Draw pictures or use tools, such as number blocks or number lines. • Teach related vocabulary, such as “add”, “add”. 2. Subtraction Subtraction is the process of removing on
PreK - 12th, Adult Education
Arithmetic, Math, Mental Math
Base 10 Model Number Line Subtracting Multiples of 10 No Regrouping
In the pack students will use a variety of models to demonstrate subtracting multiples of 10 without regrouping. Students will use base 10 blocks to show that they can subtract groups of 10 within 120. Students will then be able to use a picture strategy and display thinking as they continue to practice subtracting multiples of 10. Finally, students can use the number line to also connect their thinking. Number lines are first labeled and then students may use a blank model.
K - 2nd
Arithmetic, Math, Place Value
CCSS
1.NBT.A.1
, 1.NBT.B.2
, 1.NBT.B.2a
+2
Summer Word Problems Addition & Subtraction Within 20 Grade 1–2 Math Worksheets
☀️ Make math fun this summer! This Summer Word Problems pack helps students practice addition and subtraction within 20 through adorable summer-themed stories — seashells, popsicles, sandcastles, water balloons, butterflies, and more! Perfect for Grade 1–2, these worksheets are simple, print-friendly, and engaging. Each page includes cute black-and-white illustrations that students can color. Teachers love using them for morning work, math centers, homework, and sub plans! 🧮 What’s Inclu
1st - 2nd
Applied Math, Arithmetic, Numbers
Spring Word Problems Addition and Subtraction Within 20 Grade 1–2 Math Worksheet
🌸 Bring springtime fun into your math lessons! This Spring Word Problems pack helps students practice addition and subtraction within 20 using real-life spring themes — picking flowers, hunting eggs, spotting butterflies, planting seeds, and more! Perfect for Grade 1–2, these worksheets are simple, clear, and engaging with cute black-and-white spring illustrations that students can color. Teachers love this format because it’s print-ready, easy to use, and great for differentiation. 🧮 W
1st - 2nd
Arithmetic, Mental Math, Numbers
Journey Through Math World with the Math Rangers
Journey Through Math World with the Math Rangers
4th - 9th
Arithmetic, Decimals, Geometry
Count And Color 1-20 Interactive Learning Filke Worksheets
Count & Color Math Facts – Addition & Subtraction Worksheets (1st & 2nd Grade)Make math practice fun with this print-and-go bundle of color by number worksheets! Students solve addition and subtraction problems and use their answers to color the picture, turning math review into an engaging activity. Perfect for 1st grade and 2nd grade, these interactive worksheets help build fact fluency, problem-solving skills, and confidence. Great for math centers, morning work, early finishers, homework
1st - 2nd
Arithmetic, Coloring Pages, Numbers
Also included in: 75 Count and Color Addition And Subtraction Files For 1st and 2cd Grade
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