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.
- Plus Plan
Color by Numbers - Adding Single-Digit Numbers
A set of 5 color by number activity pages to use when practicing addition facts.
- Plus Plan
Picture Addition Worksheet
A worksheet to practice the addition strategy of counting on.
- Plus Plan
Number of the Day Warm-Up PowerPoint
A 30-slide editable PowerPoint Template for a 'number of the day' warm up.
- Plus Plan
Rainbow Numbers Worksheet
A worksheet using rainbow numbers.
- Plus Plan
Rainbow Numbers Poster
A poster showing the different combinations of 10.
- Plus Plan
Number Matching Puzzle – Addition
A hands-on game to play when learning about adding larger numbers.
- Plus Plan
Musical Equations Active Learning
A whole class active game that encourages learning through a physical setting.
- Plus Plan
Friends of 30 Dominoes
A set of dominoes to use in the classroom when matching friends of 30.
- Plus Plan
Doubles Minus One - Worksheet
Practice the doubles minus one addition strategy with this one-page worksheet.
- Plus Plan
Doubles Plus One - Dice Roll Worksheet
Practice the doubles plus one addition strategy with this one-page worksheet.
- Plus Plan
Doubles Minus One - Dice Roll Worksheet
Practice the doubles minus one addition strategy with this one-page worksheet.
- Plus Plan
Number Talks Teaching Resource Pack - Grade 1
A collection of number talks teaching resources that support meaningful and highly engaging conversations in the mathematics classroom.
- Plus Plan
Number Facts Board Games
A collection of board games to reinforce your students' knowledge of addition and subtraction fact strategies.