# 1.NBT.C.5 Worksheets, Workbooks, Lesson Plans, and Games

#### CCSS.maths.CONTENT.1.NBT.C.5

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

These worksheets, games, and lesson plans can help students practise this Common Core State Standards skill.

## Worksheets

Worksheet
Students draw ten and one dollar bills for practise adding multiples of ten to two-digit numbers in this money maths worksheet.
Year 2
Maths
Worksheet
Missing Numbers: Ice Is Nice
Worksheet
Missing Numbers: Ice Is Nice
Kids find the missing numbers to complete the iceberg grid. This year two maths worksheet offers practise counting whole numbers to 100 and counting by fives.
Year 2
Maths
Worksheet
Hundreds Chart Challenge
Worksheet
Hundreds Chart Challenge
Has your little maths whiz mastered the hundreds chart? Give him a fun challenge with these fill-in-the blank pieces of the chart.
Year 2
Maths
Worksheet
Hundreds Chart Patterns
Worksheet
Hundreds Chart Patterns
This extra-large package of number pattern worksheets is just what your kid needs to help him explore place value.
Year 2
Maths
Worksheet
Patterns: Driving in All Directions
Worksheet
Patterns: Driving in All Directions
Grab a number chart that goes up to a hundred and fill in the numbers surrounding the ones in the green boxes on this maths and patterns worksheet.
Year 2
Maths
Worksheet
Worksheet
Your students have been plugging away at their maths skills all year. Now it's time to put those skills to the test! Use this maths assessment to check in on your students’ abilities to add 10 to two-digit numbers.
Year 2
Maths
Worksheet

## Lesson Plans

Maths Mind Magic
Lesson plan
Maths Mind Magic
Every student can be a magician after this lesson in mentally adding and subtracting by 10. No previous magic training required!
Year 2
Maths
Lesson plan
The Ten Monster
Lesson plan
The Ten Monster
Here comes the Ten Monster! Get ready to learn about subtracting tens in this hands-on lesson.
Year 2
Maths
Lesson plan

## Workbooks

No workbooks found for this common core node.

## Games

Multiples of 10 Game Show
Game
Multiples of 10 Game Show
Kids practise adding and taking away 10 in this silly game show.
Year 2
Maths
Game
Game
Kids sharpen mental addition skills with this silly construction maths game.
Year 2
Maths
Game
Ski Racer: Subtract by Multiples of 10
Game
Ski Racer: Subtract by Multiples of 10
Kids race down the mountain by correctly subtracting multiples of 10 from two-digit numbers.
Year 2
Maths
Game
Ski Racer: Two-Digit Addition and Finding 10 More
Game
Ski Racer: Two-Digit Addition and Finding 10 More
Practise addition to 100 using multiples of 10! This game highlights two-digit addition maths.
Year 2
Maths
Game

## Exercises

No exercises found for this common core node.

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