Math 1.3
Number and operations. The student applies mathematical process standards to develop and use strategies for whole number addition and subtraction computations in order to solve problems. The student is expected to:
- (1) use concrete and pictorial models to determine the sum of a multiple of
10 and a one-digit number in problems up to 99;
- (A) use objects and pictorial models to solve word problems involving joining, separating, and comparing sets within 20 and unknowns as any one of the terms in the problem such as 2 + 4 = [ ]; 3 + [ ] = 7; and 5 = [ ] - 3;
- (B) compose 10 with two or more addends with and without concrete objects;
- (C) apply basic fact strategies to add and subtract within 20, including making 10 and decomposing a number leading to a 10;
- (D) explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences; and
- (E) generate and solve problem situations when given a number sentence involving addition or subtraction of numbers within 20.
- Free Plan
Bump! Subtraction to 20 Board Game
Practice subtraction facts to 20 with a fun and engaging math game.
- Free Plan
Subtract From 10 Board Game
Have a “blast” with this space-themed “Subtract From 10” board game that gives your students the practice they need with tens subtraction facts.
- Free Plan
Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
- Plus Plan
Count on Facts Board Game: Counting On 1
Provide your early learners with this count on facts board game to engage them as they learn to add by counting on one.
- Plus Plan
Adding Numbers Game Board: Making Ten Board Game
Introduce this Adding Numbers Game Board: Making Ten board game to your students to give them the practice using the “make a ten” addition strategy.
- Plus Plan
Using Doubles to Subtract Board Game
Practice using doubles to subtract with this fun, apple-themed board game.
- Free Plan
Ten Frame Printable Templates
Use these printable ten frames in various math lessons to reinforce number sense and other essential skills.
- Free Plan
Doubles Plus One - Worksheet
Practice the doubles plus one addition strategy with this one-page worksheet.
- Plus Plan
Bump! Addition to 20 Game
Practice subtraction facts to 20 with a fun math game.
- Plus Plan
Adding Doubles Board Game
Play our adding doubles board game to give your students a chance to practice their addition fact fluency.
- Plus Plan
Addition and Subtraction Word Problems Escape Room
Engage students with this addition and subtraction interactive escape room.
- Plus Plan
Counting On Game
Engage your students with this fun and colorful counting on game that gives your students practice with the “counting on” addition strategy.
- Free Plan
Double Facts Math Charts - Addition Rhyme Posters
Help your students remember their doubles facts to twenty with a set of printable double facts addition rhyme posters.
- Plus Plan
Adding to Multiples of Ten up to 100 – Halloween Mystery Picture
Celebrate the coming of Halloween and practice adding 2-digit numbers up to 99 with a set of addition color by number worksheets.
- Free Plan
Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
- Plus Plan
Counting On and Counting Back Worksheets
Practice adding and subracting with this counting on and counting back worksheet pack.
- Plus Plan
Think Addition - Fact Family Worksheets
Use addition to solve subtraction problems with this worksheet.
- Free Plan
Doubles Plus One - Grid Game
Practice the doubles plus one addition strategy with this dice game.
- Plus Plan
Easter Addition Coloring Pages (Differentiated)
Grab a fun set of Easter Addition Coloring pages to help your little learners practice adding 1 and 2-digit numbers without regrouping.
- Plus Plan
Color by Number Addition and Subtraction Worksheets
Combine math and art with our color by number addition and subtraction worksheets that feature problems with solutions up to 20.
- Plus Plan
Money Word Problems Addition and Subtraction Worksheet Set
Use our money word problems addition and subtraction worksheet set to give your students differentiated practice modeling a variety of one and two-digit word problems.
- Free Plan
Printable Ten Frames (Single and Double)
Introduce these printable ten frames to your students to promote number sense with hands-on learning.
- Plus Plan
Simple Addition Riddle Worksheet
Download this addition and subtraction riddles pack to give your students fun, meaningful practice with one‑ and two‑digit addition and subtraction.
- Plus Plan
Addition Fact Timed Tests & Trackers
Assess and track addition fact fluency with a printable Math Drill Worksheet pack for addition facts.
- Free Plan
1st Grade Halloween Addition Game - Roll-a-Potion
Roll and add to create a magic potion, then draw it in the cauldron with a printable Halloween game.
- Plus Plan
Fact Family Houses Worksheet Pack
Use these fact family houses worksheet set to practice addition and subtraction fact families with your students.
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Cut & Paste Fact Family Worksheets
Use these fact family houses worksheet set to practice addition and subtraction fact families with your students.
- Free Plan
Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
- Plus Plan
Double Dinos - Using Doubles Facts to Add Near Doubles Worksheet
Practice the “near doubles” addition strategy to solve addition problems to 20.
- Free Plan
Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
- Plus Plan
Counting Backwards to Subtract - Number Fact Board Game
Practice subtracting by counting backwards with a pair of printable subtraction games.
- Plus Plan
Subtraction within 20 - Color by Number Worksheet
Reveal the mystery picture by solving the subtraction problems with a color-by-number worksheet.