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Help your child understand different units of time with this worksheet that asks her to fill in the blanks in each sentence with the correct unit of time.

Use a paperclip “ruler” to measure common objects in this colorful worksheet!

You can measure length with all kinds of units, not just inches and centimeters!

Get to know your vowel phonemes! These are the smallest units of sound that appear in the English language.

Enjoy a dessert-themed race to 100 with this delicious math game in which learners imagine units, rods, and flats as sprinkles, chocolate bars, and cookies.

Bring something sweet to your next math lesson with this Five Candy Bars Race Board in which learners imagine units and rods are sprinkles and candy bars.

Enjoy a Halloween-themed race to 100 as students imagine units, rods, and flats as candies, broomsticks, and pumpkins. Players will use this pumpkin race board to regroup between place values up to the hundreds place in order to win the game!

Students imagine units and rods are candies and broomsticks in this place value game. They will use this board to regroup between place values up to the tens place, and the first player to get to five broomsticks, or 50, wins the game!

Get your first grader practicing with singular and plural subjects with this fun worksheet.

From reading a ruler to estimating weight, this worksheet is packed with measurement exercises to help first graders review.

Measurement is an important part of math and everyday life! Practice measuring in inches using this basic intro sheet.

This cute, colorful worksheet challenges children to estimate the lengths of four fish in inches and centimeters before using a handy cut-out ruler to measure them.

Boost your first grader's number sense with a lesson in place value up to the tens place.