Check out this FREE Trial Lesson on Numbers for age 7-8!

Mental Math -Subtract and Add by 10 - Part 2

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With answer key
Interactive
  • 7-8
  • With answer key
  • Number Recognition
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Counting Backwards: Treasure Hunt Worksheet
Counting Backwards: Treasure Hunt Worksheet

Counting Backwards: Treasure Hunt Worksheet

This fun and inviting PDF worksheet gives young math students the opportunity to visualize counting back. They'll trace their way backward from 20 to 10 and help the pirate find his treasure, while also working on fine motor skills. Building foundational math skills like this is vital, so don't miss out on this colorful and inviting activity.
Counting Backwards: Treasure Hunt Worksheet
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Fishy Numbers Worksheet
Fishy Numbers Worksheet

Fishy Numbers Worksheet

Explain to your kids even and odd numbers using this worksheet. All objects in a group of even numbers can be paired in twos, while an odd number leaves one object unpaired. Ask your students to find and check the groups with an odd number of fish, counting and figuring out which ones are odd.
Fishy Numbers Worksheet
Worksheet
Counting Tens and Ones: Part 1 Worksheet
Counting Tens and Ones: Part 1 Worksheet

Counting Tens and Ones: Part 1 Worksheet

Kids Academy has a great place value worksheet to help kids learn when they don't have manipulatives at home! It includes longs and cubes that kids can count and add to find the sum. Colorful and downloadable, this page will help kids understand addition and place value better. Give it a try!
Counting Tens and Ones: Part 1 Worksheet
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Garden Subtraction Worksheet
Garden Subtraction Worksheet

Garden Subtraction Worksheet

Help your kids understand math with this fun, garden-themed subtraction worksheet! Have them read the number sentences and count the veggies in each row. Then, subtract 10 from each row to find the answer. They'll love counting the colorful veggies and solving the problems!
Garden Subtraction Worksheet
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Counting Birds Worksheet
Counting Birds Worksheet

Counting Birds Worksheet

Help your child count and underline the matching number sentence in the worksheet. Ask them if the total number of birds in each picture is odd or even, then check the correct box. When two equal numbers are added, the sum is always an even number (e.g. 2+2=4, 4+4=8, both divisible by 2).
Counting Birds Worksheet
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Fruity Array Quest Worksheet
Fruity Array Quest Worksheet

Fruity Array Quest Worksheet

Explain rows (horizontal) and columns (vertical) to your child before starting the worksheet. Show them the picture and the arrows indicating direction. Your child should be able to answer the questions easily after that. Help them match the fruit arrays that match the descriptions.
Fruity Array Quest Worksheet
Worksheet
At the Pet Store Word Problems Worksheet
At the Pet Store Word Problems Worksheet

At the Pet Store Word Problems Worksheet

Kids love pet stores! This free, fun PDF worksheet engages little learners to solve word problems with counting and addition. With adorable animals to focus on, your child will practice arithmetic with three addends to find the sum! Help them gain success with word addition word problems.
At the Pet Store Word Problems Worksheet
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Numbers and Number Words Worksheet
Numbers and Number Words Worksheet

Numbers and Number Words Worksheet

Preschoolers can practice counting and recognizing numbers with this worksheet. Students trace the numbers zero through five and check the boxes next to each number to show the correct number word. Ideal for young kids, this printable helps them learn early math and number words.
Numbers and Number Words Worksheet
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Sea Math Worksheet
Sea Math Worksheet

Sea Math Worksheet

Dive into an ocean of addition with this fun math worksheet! Help your little mathematician count and add colorful coral and fish. Point out phrases like "in total" or "all together" as a reminder to use addition. Watch them add to find the answer and check the boxes to finish!
Sea Math Worksheet
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Counting in the Neighborhood Part1 Worksheet
Counting in the Neighborhood Part1 Worksheet

Counting in the Neighborhood Part1 Worksheet

Counting using one-to-one representation is a great way to develop a child's number sense. Use objects, pictures and images to help counting beyond the fingers. This worksheet uses everyday objects to practice counting. It encourages children to find the correct number and count forward. Give it a try!
Counting in the Neighborhood Part1 Worksheet
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Colorful Arrays Bingo Worksheet
Colorful Arrays Bingo Worksheet

Colorful Arrays Bingo Worksheet

This worksheet stimulates thinking about arrays and how to represent them. Instruct students to count the 6 arrays and find which ones sum up to 12. Ask them to check the answers for accuracy.
Colorful Arrays Bingo Worksheet
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Adding Up with Old MacDonald Worksheet
Adding Up with Old MacDonald Worksheet

Adding Up with Old MacDonald Worksheet

Old MacDonald needs help counting his animals! Give your little math whiz a fun challenge with a free PDF worksheet. They'll love counting the animals and doing basic addition with two or three addends. Who knew math could be so much fun on the farm?
Adding Up with Old MacDonald Worksheet
Worksheet
Counting in an Amusement Park Worksheet
Counting in an Amusement Park Worksheet

Counting in an Amusement Park Worksheet

Love amusement parks? This colorful worksheet is sure to delight your child as they solve basic addition problems with missing addends. Picture representations help them solve the math equations, while traceable lines help them accurately complete the drawings. No roller coaster ride here, but still loads of fun!
Counting in an Amusement Park Worksheet
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Practice Addition: Part 1 Worksheet
Practice Addition: Part 1 Worksheet

Practice Addition: Part 1 Worksheet

Having trouble teaching your 1st grader numbers and addition? Download this free worksheet! With colorful building blocks, it helps kids visualise and understand simple equations. For extra guidance, multiple choice answers are included to boost their confidence when practising.
Practice Addition: Part 1 Worksheet
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Tally Puzzle Worksheet
Tally Puzzle Worksheet

Tally Puzzle Worksheet

Kids love puzzles, and this bright worksheet will let them practice tallies and matching numbers. It teaches them to count and assign values, critical for doing math problems quickly and accurately later. It also leads to strategies like counting by 5s.
Tally Puzzle Worksheet
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Counting and Numbers: Assessment 1 Worksheet
Counting and Numbers: Assessment 1 Worksheet

Counting and Numbers: Assessment 1 Worksheet

Let your kids use the picture as a guide and count from 70 to 100 to complete an ox pulling a wagon. As a comprehension check, have them answer the related question using words from the word bank. This dot-to-dot worksheet is a great way to assess their number reasoning and counting forward skills.
Counting and Numbers: Assessment 1 Worksheet
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Counting on the City Skyline: Dot-to-Dot Worksheet
Counting on the City Skyline: Dot-to-Dot Worksheet

Counting on the City Skyline: Dot-to-Dot Worksheet

Kids will love connecting the dots to make a superhero skyline! They'll reinforce their number line thinking and number sense while building fine-motor skills. Watch them beam with pride as the cityscape reveals itself, all thanks to some math practice.
Counting on the City Skyline: Dot-to-Dot Worksheet
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