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Grade 1

TEKS Math Standard: 1.3.E

explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences

Broken Calculator: 2-Digit Subtraction Gr 1-4
Adding and Subtracting Fruit
Adding and Subtracting Fruit
Use super cute fruit to introduce algebraic thinking to your young math students.
Gr 1-3
What’s the Pattern? Fraction Addition
What’s the Pattern? Fraction Addition
Can your students figure out how to add fractions by looking for a pattern?
Gr 5
How Many Will There Be? Xs and Os
How Many Will There Be? Xs and Os
Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.
Gr 4-7
Addition: 3 Digits Plus 2 Digits (Multiple Solutions)
Addition: 3 Digits Plus 2 Digits (Multiple Solutions)
Typical practice problems don’t move students up Bloom’s Taxonomy. With this framework, you’ll see kids stop and really think about how to approach multi-digit addition.
Gr 3-6
Evens and Odds – Addition and Subtraction
Evens and Odds – Addition and Subtraction
When we’re adding and subtracting, do evens make odds into evens? Do odds make evens odd? Which one has… more power!?
Gr 3-4
How Many Ways: Times Equals Minus
How Many Ways: Times Equals Minus
How many different ways can you make this math statement true using only the digits one through nine?
Gr 3-5
How Many Ways: Order of Operations 1
How Many Ways: Order of Operations 1
How many different ways can you make this math statement true using only the digits one through nine?
Gr 5-6
Math Curiosity: Magic Squares
Math Curiosity: Magic Squares
Imagine a 3×3 square in which every row, column, and diagonal have the same sum. That’s a magic square!
Gr 1-4
Math Curiosity: Palindromic Number Conjecture
Math Curiosity: Palindromic Number Conjecture
Using this one weird trick, it seems that you can turn any number into a palindrome!
Gr 1-4
The Game of 100
The Game of 100
Who can get to 100 first in this simple, but delightful, math game?
Gr 2-7