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Features

  • Five pages, each a new stretch: 11 to 30, 20 to 50, 40 to 70, 60 to 99 and 90 to 120
  • Ten rods and ones in columns of five, easy to count
  • Hundred flats on the last page, for 101 to 120
  • Look-alikes on one page, such as 24 and 42, or 102 and 120
  • Pictures printed bare, with lines drawn dot to dot
  • Answer keys included

Skills Covered

  • Count tens and ones in base-ten blocks
  • Read two-digit numbers
  • Read numbers to 120 with a hundred flat
  • Tell look-alike numbers apart (24 and 42)
  • Know that 10 ones make a ten
  • Connect a picture to a number

How to Use This Pack

Five pages of matching, five numbers on the left and five pictures of base-ten blocks on the right, in another order. Each page moves up the number line: 11 to 30, 20 to 50, 40 to 70, 60 to 99, and 90 to 120 on the last page, where a hundred flat joins the rods and ones. Ten rods stand side by side and the ones sit in columns of five, so 7 ones read as 5 and 2 more. Numbers with the same two digits are put on the same page, such as 24 and 42, so a child has to count the rods to tell them apart. The answer keys draw the lines in blue.

In the Classroom

Count the first picture together: touch each rod and count by tens, then count on the ones. Ask which number on the left matches before drawing the line. When two numbers have the same digits, ask how many rods each one needs. With real base-ten blocks, children can build the number first and then find its picture.

At Home

Cover the numbers with a finger and ask your child to count a picture first, then find the number. Bundles of ten straws or craft sticks make good blocks at home.

Tips for Success

  • Count the rods by tens: 10, 20, 30
  • Then count on the ones: 31, 32, 33
  • The number of rods is the tens digit
  • Check numbers with the same two digits twice
  • Cross out each picture once it has a line

Common Core Standards Alignment

This pack supports the following Common Core State Standards for Mathematics:

  • 1.NBT.A.1 Count up to 120 from any starting number, and read, write and use numerals up to 120 to show how many objects.
  • 1.NBT.B.2a See a group of ten ones as one unit called a ten.
  • 1.NBT.B.2b Know that 11 through 19 are each made of one ten plus 1 to 9 ones.
  • 1.NBT.B.2c Know that 10, 20, 30 and so on up to 90 mean 1 to 9 tens with no ones.

© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

Match Numbers to Base-Ten Blocks

1st Grade

Matching numbers to 120 with the same numbers in base-ten blocks. Students count the tens and ones in each picture and draw a line to the number it shows, with look-alikes such as 24 and 42 on one page.

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What’s Included

  • 5 worksheets of base-ten block pictures to match, from 11 to 120
  • 5 answer keys (10 pages)
  • Hundred flats on the last page
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