You are an abcteach Member, but you are logged in to the Free Site. To access all member features, log into the Member Site.

# Number & Operations in Base Ten

FILTER THIS CATEGORY:
= Preview Document = Member Site Document
• Round to hundreds and to thousands. Common Core: 4.NBT.A.3
• Worksheet practicing rounding numbers to the nearest 100 and estimating the sums. Common Core: 4.NBT.A.3
• To thousands, with three decimal places.
• Chart and pieces for place value game.
• Place value chart game with decimals.
• "There are ten apples on every tree. There could be apples on the ground under each tree. Complete the table to show the total number of apples per tree." This lesson helps students with visualizing and understanding place value. (2 to 47 trees)
• "There are ten apples on every tree. There could be apples on the ground under each tree. Complete the table to show the total number of apples per tree." This lesson helps students with visualizing and understanding place value. (from 1 to 75 trees)
• A two page mini-office illustrating place value.

• A place value to ten-thousands chart with game pieces. May be used with abcteach's game questions for place value, "I have...Who has..."
• This mini-unit features plenty of practice for rounding to whole numbers. Common Core: 4.NBT.A.3
• To ten thousands, with three decimal places.

• Place value chart game (hundreds).
• [member-created using abctools]

• "There are ten apples on every tree. There could be apples on the ground under each tree. Complete the table to show the total number of apples per tree." This lesson helps students with visualizing and understanding place value. (12 to 342 trees)
• 9,683 + 5,044. Rounding to 10,000. Common Core: 4.NBT.A.3
• Using golden bead Montessori place value to solve problems.
• A two page mini-office illustrating place value.
• A game for 2-4 players. Lay cards on a mat in ones, tens, hundreds and thousands places. Compare rows of cards and award a point to the player with the highest number in each row. Includes play mat, cards, score cards, instructions, center sign, and a worksheet for an alternate 2-player activity. CC: Math: 1.NBT.B.3, 2.NBT.A.4, 3.NBT.A.1, 4.NBT.A.2

• Worksheet practicing rounding numbers to the nearest 10 and estimating the differences. Common Core: 4.NBT.A.3
• Use this crossword to review place values.
• To thousands, with three decimal places. One example.
• To thousands, with three decimal places.
• From "billions" to "value". Review place value vocabulary with this word search. Answer sheet included.
• Determine the value of a six-digit number by following clues. Good for place value and math vocabulary practice.
• "I have - Who has?" Practice the numbers 1-999 with this place value game. (Includes hundreds place and numbers up to 999).
• 255 + 613. Rounding to 100 Common Core: 4.NBT.A.3
• 1,527 + 1,031. Rounding to 1000 Common Core: 4.NBT.A.3
• Thirty questions for a game illustrating place value to ten thousands. Children read the number they have and ask who has another number. May use with abcteach's Place Value Ten Thousand Tally Chart and Game Pieces.
• An activity sheet to help students understand place value to the ten thousands.
• Worksheet practicing rounding numbers to the nearest 10 and estimating the sums. Common Core: 4.NBT.A.3
• Students fill in the charts by placing numbers in the correct place. Three pages.

• "I have - Who has?" Practice the numbers 1-999 with this place value game. Includes hundreds place and numbers up to 999.
• Who has 2 tens and 5 ones? Develop listening skills, practice numbers 1-99, and practice tens and ones place values with this all-class game.
• Practice inequalities with a medieval theme.