Math 1.5
Algebraic reasoning. The student applies mathematical process standards to identify and apply number patterns within properties of numbers and operations in order to describe relationships. The student is expected to:
- (1) recite numbers forward and backward from
any given number between 1 and 120;
- (A) skip count by twos, fives, and tens to determine the total number of objects up to 120 in a set;
- (B) use relationships to determine the number that is 10 more and 10 less than a given number up to 120;
- (C) represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences;
- (D) understand that the equal sign represents a relationship where expressions on each side of the equal sign represent the same value(s);
- (E) determine the unknown whole number in an addition or subtraction equation when the unknown may be any one of the three or four terms in the equation; and
- (F) apply properties of operations to add and subtract two or three numbers.
- Free Plan
Place Value Work Mat
Practice place value concepts with this work mat for students.
- Plus Plan
Whole Numbers on a Number Line Worksheet
Practice finding the missing number on number lines.
- Plus Plan
Ten More, Ten Less Worksheet
Practice or review adding and subtracting 10 from a given number.
- Plus Plan
Open-ended Math Problem Solving - Grades 1, 2, and 3 (Task Card Version)
A set of 20 open-ended problem solving task cards covering a range of mathematical concepts.
- Plus Plan
Number Pattern Worksheet Pack
Support early math instruction with this number patterns worksheet pack designed to help students recognize, copy, and create repeating patterns with confidence.
- Plus Plan
Simple Addition Riddle Worksheet
Download this simple addition worksheet to provide your students with practice adding one- and two-digit numbers.
- Plus Plan
Ten More, Ten Less Within 100 - Cut and Paste Worksheet
Practice adding and subtracting 10 from given numbers within 100 in this cut-and-paste worksheet.
- Plus Plan
Skip Counting by 2, 5, & 10 – Worksheet
Practice counting by 2, 5, and 10 with this skip counting worksheet.
- Plus Plan
Numbers 21 -130 Chart - Missing Numbers
A 21-130 chart with missing numbers to encourage your students to count beyond 100.
- Plus Plan
Skip Counting Worksheet Pack
Support early number learning with this skip‑counting worksheet pack, designed to help students recognize, continue, and create skip‑counting patterns using a range of visual representations.
- Free Plan
Number Sequencing to 100 - Worksheet
A raindrop themed place value worksheet to use when sequencing numbers to 100.
- Plus Plan
ABC and 123 Turkey With Feathers Printable Activity
Practice counting, skip counting, and the letters of the alphabet with our ABC and 123 Turkey With Feathers Craft Template.
- Plus Plan
Halloween Math Puzzles - Number Ordering Activity
Practice counting with a fun set of spook-tacular Halloween Math puzzles!
- Plus Plan
Halloween Connect the Dots Worksheets (1-50)
Practice counting up to 50 with a set of fun Halloween Connect the Dots worksheets.
- Plus Plan
Modeling Addition Word Problem Worksheets
Encourage modeling with these addition word problem worksheets that provide practice with real-world addition scenarios.
- Plus Plan
Number Grid Game — Interactive Activity
Share this number grid game with your students to give them practice adding and subtracting ten and one from a given number.
- Plus Plan
Skip Counting Puzzles
Practice skip counting and identifying multiples of numbers with printable skip counting puzzles for kids.
- Plus Plan
I Have, Who Has? - Place Value Games for 1st Graders (2-Digits)
Reinforce your students understanding of 2-digit Place Value concepts with printable Place Value Games for 1st graders.
- Plus Plan
Missing Number Hunt Activity (Ordering Numbers)
Use our number hunt activity to take your students on a hunt for missing numbers up to 120.
- Plus Plan
Number Ordering Puzzles - Cut and Paste
Help students order numbers up to 20 with a set of 8 cut-and-paste number ordering puzzles.
- Plus Plan
Numbers 1–20 Clip Cards
Facilitate counting practice with this set of multisensory peg cards.
- Plus Plan
Ice Cream Counting Game
Help students practice their knowledge of counting numbers 1-20 with this fun ice cream matching game.
- Plus Plan
Skip Counting by 1, 2, 5 and 10 Sorting Activity
Set up this sorting activity as a small group or rotation task for your students to practise thier skip counting skills.
- Plus Plan
Missing Addend to 10 Flashcards
Practice all the ways to make ten with this set of flashcards.
- Plus Plan
Skip Counting Caterpillar Worksheet Pack
Use a Skip Counting Caterpillar Worksheet for your kindergarten and first grade students to practice and improve their skip counting skills!
- Plus Plan
Counting by 1s Picture Puzzles
Use this fun sorting activity for your students to practice ordering numbers in sequential order starting at a number other than 1.
- Plus Plan
10 More 10 Less Sorting Card Game
Engage your students and have them practice reading statements about values 10 more or 10 less, then and determining if the statement is accurate.
- Plus Plan
Basic Subtraction Word Problems - Worksheet
Solve subtraction word problems by drawing picture models with a printable subtraction worksheet.
- Plus Plan
Math Graphic Organizers - Printable Work Mats
Practice working on specific math concepts with our set of 5 printable math graphic organizers.
- Plus Plan
Number Line Match-Up Activity (Up to 120)
Match two-digit whole numbers on a number line with this set of 32 task cards.
- Plus Plan
Printable Skip Counting Worksheets and Charts
Practice and review skip counting by 2,3,4,5,and 10 with a pack of printable skip counting worksheets and anchor charts.
- Plus Plan
Math Warm-Ups Interactive PowerPoint - Grade 1
A PowerPoint providing a series of warm-up activities for Grade 1 students across the mathematics curriculum.