Valentines Day Math Activities | Riddles for Two-Digit Numbers

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Grade Levels
1st - 2nd, Homeschool
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10 printable pages + 24 slides
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  1. This bundle of mid-winter math activities for first grade includes games and center activities for Groundhog Day, Valentines Day, and Presidents Day. Activities in this set include...* One-page games* Read the Room* Math riddle task cards* Cut-and-glue sequencing puzzle* Comparing values card g
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Here’s a set of 24 Valentines Day math task cards that will strengthen your advanced first grade and second grade students' skills in addition, subtraction, and place value with two-digit numbers.

Choosing from nine numbers on each card, your students will determine the Love Bug's Secret Number by using math clues to eliminate eight of the options.

Here are the math skills addressed in this set:

Add and subtract two-digit numbers, with and without regrouping

Compare numbers using symbols

♦ Distinguish even and odd numbers

♦ Know value of US coins and use in adding and subtracting

Here's what you'll get in this set:

24 printable riddle task cards (printing at 4 per page)

♦ The same 24 riddle cards in full page format, for your convenience on interactive boards or other screen devices

♦ A student recording page and answer key , for independent use in a math center.

♦ A one page four in a row game. Make it digital by taking a screenshot, saving as a jpeg, and using it with your own favorite apps and programs.

Here are some options for using these materials:

♦ Use in a math center for individual or partner work

♦ Use for whole class review with your document camera

♦ Use as a skills review rotation (Scoot!), individually or with partners, with students moving to stations around the classroom to solve the riddles

♦ Use for morning “bell ringers”

♦ Use as enrichment for early finishers

Here's what teachers like you have said:

Candace W. said, "These puzzles are perfect for math stations! They are a great logic puzzle to review many different concepts. My students enjoy them!"

Angie N. said, "Fun activity to get my students thinking. It was nice to add these in at the beginning or end of my math block."

Michelle S. said, "My second graders loved these riddles!! I will use this again and again."

Kim D. said, "Great resource! The students in my class enjoyed collaborating to find the answer. They had some great discussions."


Click here to see over 80 more kindergarten through fourth grade Math Riddle Task Cards sets!

Click here to see more Valentines Day Resources!


Thanks for your interest in this resource! You’ll also like…

100 Riddles for the Hundred Chart ~ Grades 1 and 2

10 Scoot Games for Second Grade Math

Riddles for Two-Digit Numbers ~ Pirate's Secret Treasure Numbers

Valentine's Day Math Games for Second Grade


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Total Pages
10 printable pages + 24 slides
Answer Key
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to see state-specific standards (only available in the US).
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.


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