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# Operations & Algebraic Thinking

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• math illustration
• “A blue whale is diving at a speed of ten feet per second. How many feet does it dive in five seconds? How many in six? How many in seven?” Five skip counting word problems with an endangered animal theme.
• A colorful game mat for 2 students to compete while practicing addition of integers. Use with our Integer Card Deck or standard playing cards. Includes directions for game play and integer addition tips. Laminate for a fun, reusable classroom game.

• "Cowboy Tom ropes seven cows and puts them into a corral. He forgets to shut the gate and four escape. How many are left?"
• A colorful game mat for practicing addition of integers. Use with our Integer Card Deck or standard playing cards. Includes directions for game play and integer addition tips.

• A poster to describe a suggested method of solving word problems.
• Ten children get on the bus at every stop. How many children are on the bus after one stop? How many after two? How many after three?
• Some suggestions for using the many word problem pages available on abcteach.com
• Eight colorful math mats and cards for practice in addition within 100. Printable manipulatives are included or you can use real items. CC: Math: 2.OA.1-4

• Nine children are on the school bus. Five get off at the first stop. How many are left on the bus?
• Amy is going turtle watching. Look at the clocks to learn about her day.
• “Ramona is helping her aunt and uncle tag sea turtles. Yesterday they tagged nine. Today they tagged four. How many sea turtles have they tagged altogether?” Five addition word problems with an endangered animal theme.
• “A pod of fourteen right whales are feeding under the arctic ice. Four leave to hunt elsewhere. How many are left?” Five subtraction word problems with an endangered animal theme.
• A crayon shaped booklet of addition and subtraction word problems about crayons.
• "Yolanda’s Thanksgiving turkey weighs twenty pounds. Her family eats seventeen pounds at dinner. How many pounds are left?"
• "Eddie can pick and clean ten pumpkins per hour. How many can he do in four hours? How many in five? How many in six?" Five Thanksgiving-themed skip counting (by tens) word problems.
• "Anne is a witch. She has two black cats. How many more does she have to find if she needs ten black cats for her spell?" Five Halloween-themed word problems.
• "There are six clowns in the Champions Circus. The ringmaster hires four new clowns. Three of the old clowns begin to train as acrobats. How many clowns are there now?" Answer the four clown-themed questions and solve a riddle.
• "Look at the clock. What time does Brenda get up on Thanksgiving Day?" Five time-telling questions with clocks.
• Mrs. Turkey bought twenty green apples and fourteen red apples to make apple pies. What is the total number of apples Mrs. Turkey bought?
• Lunch box shaped book with 8 addition and subtraction word problems for student to solve on booklet pages. Problems relate to the school lunchroom.
• "Jane built five snowmen after the last snowstorm. Two of them have melted. How many of Jane's snowmen are left?" Eight word problems using addition and subtraction up to twenty.
• "Mike and his brother Pat are selling pumpkins they grew. If Mike sells nine and Pat sells seven, how many do they sell in all?" Five Thanksgiving-themed addition word problems.
• "Susan saw ten butterflies today. She saw four butterflies in the morning. How many did she see in the afternoon?" Eight simple word problems using addition and subtraction up to twenty.
• Two pages of simple addition and subtraction word problems.
• "Ten ghosts want to fly to the haunted house for a Halloween party. Two get lost. How many ghosts arrive at the haunted house?" Five math word problems with a Halloween theme.
• "Ed sits in the front row of class. There are seven girls in the front row and one boy. How many children sit in the front row, in all?"
• Two examples of place value up to tens, with two decimal places. Includes answer key. CC: 3.NF.C.6

Common Core: 6.NS.3
• "What time does Mike wake up to go ice fishing?"
• Four addition word problems with a Valentine's Day theme.
• Jerry is seven years old. Alice is two years older than Jerry... One page, six problems.
• Simple addition and subtraction word problems with a holiday/Christmas theme.
• Place value chart game (hundreds).
• Maddie finds 3 sand dollars. She then spies 4 sea urchins. What is the total number of items that Maddie has found since she started searching?
• Commutative property addition worksheet. Includes ten frames, addition, and word problems using the common core standards in first grade math. Common Core Math: 1.OA.B.3, 2.OA.C.4