Using a Hundreds Chart

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Mathematics, Operations (+, -, x, /, etc.)

Grade 1- 3

Objective

Children practice adding and subtracting with two-digit numbers. They also practice regrouping and use a calculator to check their answers.

Directions

Use the chart for the following activities:
Make 150
The children need to pick three numbers on the hundreds chart that added together will make exactly 150. Each child needs to write down and add the three numbers to see if the numbers make 150. The children can use a calculator to check their addition. If the numbers make 150, the child uses a crayon to color in the three numbers. Then the next player takes a turn.
Variation: Pick another target number and play the game again.
Who Are My Neighbors?
Give each child a penny or a counter. The child throws the counter onto the hundreds chart and adds together the neighbors: the numbers above, below, and to the right and left of the counter. The child writes the math problem down on a piece of paper or in a math journal. Use a calculator to check the addition.
Variation (for 2 or more players): Each child follows the same rules outlined above, but after all players have taken a turn, the spinner is spun. If the spinner lands on "more than," the player with the largest number wins the game. If the spinner lands on "less than," the player with the smallest number wins.
Spill the Beans
Take three beans and toss them onto the hundreds chart.
On a piece of scratch paper or a math journal, add the first two numbers together and subtract the third number. Record the answer.
Variation (for 2 or more players): After each player has taken a turn, spin the spinner. If the spinner lands on "more than," the player with the largest number wins. If the spinner lands on "less than," the player with the smallest number wins.

Resources

  • Using a Hundreds Chart activity page
  • scratch paper or math journal
  • different colors of counters
  • crayons
  • pennies
  • a spinner with six sections: three sections labeled "more than" and three sections labeled "less than." An easy way to make a spinner is to draw a circle on a piece of index paper. Use a paper clip as the "arrow." Place one end of the paper clip in the middle of the spinner. Place the end of a pen or pencil through the paper clip on the center point of the spinner. Hold the pen or pencil in place with one hand and gently spin the paperclip with the other hand.
  • beans or other small items
  • calculators

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