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Write a number sentence for “what number added to two
equals eight?”.
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10 points
A N S W E R:A N S W E R:
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10 points
n + 2 = 8
Write thirteen plus five as an expression.
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20 points
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A N S W E R:A N S W E R:
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20 points
13 + 5
Twelve students were playing soccer. At the end of the game, nine players were left. Write a number sentence using the soccer players.
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30 points
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A N S W E R:A N S W E R:
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30 points
12 – 9 = 3
Write a multiplication sentence for the following picture:
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40 points
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A N S W E R:A N S W E R:
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40 points
3 x 4 = 12
Which amount is the best estimate for the sum of 29 and 19? Explain why.A. 40B. 50C. 100D. 20
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50 points
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A N S W E R:A N S W E R:
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B. 50 29 is almost 30, and 19 is almost 20, so 20 + 30 gives a sum of 50.
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What shape do you get if the two shapes below are pushed together to have one
common side?
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10 points
Rectangle
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What time does the clock show?
A N S W E R:A N S W E R:
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20 points
1:15
How many faces are on the shape below?
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A N S W E R:A N S W E R:
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6 faces
If the pattern continues, what number would come next?
20, 15, 11, 8, 6, ___
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40 points
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A N S W E R:A N S W E R:
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2
You go to the store and buy two pencils for 35 cents each and a notebook for $1.89. You pay the cashier with a five dollar bill. How much
change will you get back?
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$2.41
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10 points
Using the digits below, make three different 3-digit numbers. Write them
in order from least to greatest.
5, 2, 7
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10 points
Any three of the following—257, 275, 527, 572, 725, 752—written in order from least to greatest.
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20 points
Which of the following problems show another way to write 37?A. 27 + 10B. 10 + 10 + 10 + 3 + 4C. 18 + 18D. 50 – 13
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A. 27 + 10B. 10 + 10 + 10 + 3 + 4D. 50 – 13
Bob and Barbara are looking for a mystery number using the clues below.It is greater than 600. There is a 2 in the ones place. There is a 6 in the tens place. Write a three-digit number using the clues.
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30 points
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Answers may vary. Any of the following: 662, 762, 862, 962.
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40 points
Using the numbers below, write a subtraction problem.
17 25 8 9 3 16
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25 – 8 = 17 or 25 – 17 = 825 – 9 = 16 or 25 – 16 = 917 – 8 = 9 or 17 – 9 = 8
Mrs. Jones has nine chickens. She has placed eight eggs under each chicken to try to hatch some chicks. If all the eggs hatch, how many chicks will she have? Write a multiplication
problem to help you find the answer.
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50 points
A N S W E R:A N S W E R:
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9 x 8 = 72 chicks or
8 x 9 = 72 chicks
Which of the following number sentences gives the same answer as 3 + 5?
A. 3 x 5 B. 5 / 3 C. 5 + 3 D. 5 – 3
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C. 5 + 3
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20 points
Fill in the blank to show the commutative property of addition.
8 + 4 = ____ + 8
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8 + 4 = ___ + 84
Bob’s dog weighed 8 pounds when he got him last year. The dog now weighs 25 pounds. Write a sentence that describes how much weight the
dog gained since last year.
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30 points
A N S W E R:A N S W E R:
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Bob’s dog has gained 17 pounds since last
year.
How would you mentally solve 290 + 310?
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40 points
A N S W E R:A N S W E R:
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Strategies may vary. Example: I would take the 10 from 310 and add it to the 290 and have 300 + 300 to get 600.
Draw 12 shapes and circle 1/4 of the shapes.
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50 points
A N S W E R:A N S W E R:
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Which of the problems below will have an odd answer?A. 23 + 16
B. 14 + 12 + 18C. 16 + 17
D. 9 + 9 + 9
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10 points
A N S W E R:A N S W E R:
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A. 23 + 16C. 16 + 17
D. 9 + 9 + 9
If I have only 16 oranges, and I want a total of 20 oranges, how would I find
out how many more I need?
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20 points
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A N S W E R:A N S W E R:
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20 points
Add 4 to 16, or, Take away 16 from 20.
Which subtraction problem is related to 5 + 12 = 17?A. 12 + 5 = 17B. 17 – 5 = 12C. 17 – 17 = 0D. 5 + 12 = 17
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A N S W E R:A N S W E R:
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B. 17 – 5 = 12
Sue and Sid are discussing how to solve the following problem: “Allen wants to know how many quarters he can save in 12 weeks if he saves 8 quarters per week.” Sue says that Allen can just do 12 x 8 to find out. Sid says Allen can add 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8. Who is right? Explain your answer.
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40 points
A N S W E R:A N S W E R:
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They are both right. You get the same answer when you multiply 12 x 8 as you
do when you add 8 twelve times.
The answer is 96
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50 points
Raymond had 125 rabbits. He gave 36 away. About how many rabbits does he have left?
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130 – 40 = 90
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