## NY-1.NBT.5: Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

There are 18 resources.
Description Thumbnail Image Curriculum Topics Description

## Math Worksheet Collection: The Language of Math

Place Value, Addition Facts to 25, Addition Facts to 100, Numerical and Algebraic Expressions, Numerical Expressions, Variable Expressions, Fractions and Mixed Numbers, Subtraction Facts to 25 and Subtraction Facts to 100 This collection aggregates all the math worksheets around the topic of the Language of Math, or converting words into math expressions. There are a total of 264 worksheets.

## INSTRUCTIONAL RESOURCE: Tutorial: Interactive: Basic Addition and Subtraction Vocabulary, Part 2

### INSTRUCTIONAL RESOURCE: Tutorial: Interactive: Basic Addition and Subtraction Vocabulary, Part 2 This interactive reviews key first and second grade vocabulary on addition and subtraction.

Addition Expressions and Equations and Subtraction Expressions and Equations

## INSTRUCTIONAL RESOURCE: Tutorial: Using Place Value to Add Numbers to 20

### INSTRUCTIONAL RESOURCE: Tutorial: Using Place Value to Add Numbers to 20 Learn how to use place value to add numbers. Sums to 20.

Addition Expressions and Equations and Place Value

## INSTRUCTIONAL RESOURCE: Tutorial: Using Place Value to Subtract Numbers

### INSTRUCTIONAL RESOURCE: Tutorial: Using Place Value to Subtract Numbers Learn how to use place value to subtract numbers.

Place Value and Subtraction Expressions and Equations

Place Value

Place Value

## Word Search Puzzle: Basic Addition and Subtraction Vocabulary 2

### Word Search Puzzle: Basic Addition and Subtraction Vocabulary 2 Review key addition and subtraction vocabulary with this interactive word search puzzle.

Addition Expressions and Equations and Subtraction Expressions and Equations

Place Value

Place Value

Place Value

Place Value

Place Value

Place Value

Place Value

Place Value

Place Value

Place Value

Place Value