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Which Equation?
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100
Cory had 306 dollars. He received sixty more for his birthday. How many dollars does he have now?
366 dollars
100
600
What number is 200 more than 400?
100
Which equation is true? 70+30 < 60+10 50+20 > 20+40 70+10 = 10+80
50+20 > 20+40
100
The sum of the numbers is about 160. One addend is close to 140. Which ten is the other addend close to? a. 20 b. 40 c. 300
a. 20
100
Finish the puzzle: _____ ^ 261 216 ^ ^ 150 111 105
477
200
Ms. Close swam 42 laps on Monday and 39 laps on Tuesday. How many laps did Ms. Close swim on Monday and Tuesday?
81
200
800
What number is 500 more than 300?
200
Which equation is true? 20+10 = 30+10 40+30 > 20+40 70+20 = 50+10
40+30 > 20+40
200
Estimate the sum of 43 and 32.
40 + 30 = 70 The answer is 70.
300
Last week Mrs. Stoner baked 25 loaves of rye bread and 38 loaves of wheat bread. How many loaves of bread did Mrs. Stoner bake?
63 loaves of bread
300
What is 300 more than 300?
600
300
Which equation is true? 50+30 = 40+40 30+10 > 40+30 20+50 < 30+20
50+30 = 40+40
300
Erika scored 49 points in her first basketball game of the season. She scored about 40 points in her second game. ABOUT how many points did she score in both games?
49~50 50+40=90 The answer is 90.
300
Finish the puzzle: _____ ^ 218 234 ^ ^ 106 112 122
452
400
There are 17 cars parked on one side of the street. There are 21 cars parked on the other side. How many cars are parked on the street?
38 cars
400
What number is 200 more than 700?
900
400
Which equation is true? 50+30 = 60+30 30+70 > 50+40 20+30 < 60+20
20+30 < 60+20
400
Estimate the sum of 37 and 22.
60
400
Finish the puzzle: _____ ^ 268 253 ^ ^ 152 116 137
512
500
Mrs. Bennett put 17 pennies in her right pocket. She put 23 pennies in her left pocket. How many pennies did Mrs. Bennett put into her pockets?
40 pennies
500
What number is 600 more than 400?
1,000
500
Which equation is true? 60+40 = 70+30 50+10 > 60+30 20+30 < 10+20
60+40 = 70+30
500
Estimate the sum of 74 and 12.
74~70 12~10 70+10=80 The answer is 80.
500
Finish the puzzle: _____ ^ 249 232 ^ ^ 132 117 115 132 117 115
481