5. Compare sets containing up to 20 elements, using:
- referents to solve problems.
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PP makingsettomatchgivenset |
- I can build a set of _____ blocks that is the same as the model.
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PP matchingsetsdiffobjects |
- I can match _____ blocks to another group of ____ blocks (different).
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- I can build ____ sets of ____ different things.
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- one-to-one correspondence to solve problems. |
- I can build a set of blocks that is _____ fewer than the model.
- I can build a set of blocks that is _____ more than the model.
- I can build a set of _____ blocks and a set of ____blocks (different number than the first set) and say which has fewer and which has more.
- I can look at a picture of _____ blocks and a picture of _____ blocks (different number than the first set) and tell which has more and which has less.
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6. Estimate quantities...
- to 20 by using referents. |
- I can make a good guess about how many blocks there are in a group using a model of ____ blocks.
- When I look at a set of blocks and I have two numbers to pick from, I can tell why I chose _____ as my good guess.
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7. Demonstrate an ...
- understanding of conservation of number. |
- I can tell why ____ blocks is always _____ blocks no matter how I mix them up.
- I can arrange ____ blocks in ____ ways.
- I can show a given number in 5 different ways.
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8. Identify the number, up to 20, that is:
- one more than a given number.
- two more than a given number.
- one less than a given number.
- two less than a given number.
9. Demonstrate an understanding of addition of numbers with answers to 20 and their corresponding subtraction facts, concretely, pictorially and symbolically, by:
- using familiar mathematical language to describe additive and subtractive actions
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PP BalanceScaleAdd
PP BalanceScaleSub |
- I can use words like add, altogether, sum, plus for adding.
- I can use words like subtract, take away, difference for subtraction.
- I can act out a problem told to me.
- I can say if I need to add or subtract to solve a problem.
- I can use blocks to solve a problem and then print the number sentence that goes with it.
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- creating and solving problems in context that involve addition and subtraction
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PP StoryAddMatManip |
- I can make up my own addition problem and use counters to show the action.
- I can make up my own subtraction problem and use counters to show the action.
- I can make up my own subtraction problem and use counters to show the action.
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- modelling addition and subtraction, using a variety of concrete and visual representations, and recording the process symbolically.
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PP SubBlocksEggCartons
PP DominoAddMat |
- I can draw pictures to solve an addition problem.
- I can draw pictures to solve a subtraction problem.
- I can print the number sentence to solve an addition problem.
- I can print the number sentence to solve a subtraction problem.
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PP NumberLineSub |
- I can add using a number line.
- I can subtract using a number
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10. Describe and use mental mathematics strategies (memorization not intended), such as:
- counting on and counting back
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PP FaceOffNumbers 11-20
PP CountingUporDownGame |
- I can start with number ____ and count on to ____.
- I can start with number ____ and count back to ____.
- I can say how I got an answer for an addition problem that I solved in my head.
- I can say how I got an answer for a subtraction problem that I solved in my head.
- I can listen and use other kids%u2019 ideas to help me solve problems in my head.
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- making 10 for basic addition facts and related subtraction facts to 18.
PP Makingtenswhenadd
- using doubles for basic addition facts and related subtraction facts to 18.
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- I can say all the double facts to 20.
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PP DoublesPlus1Game |
- I can solve the addition fact ____ plus ____ by using the doubles fact ____ plus _____ and add 1
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- thinking addition for subtraction for basic addition facts and related subtraction facts to 18.
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