Addition
Ken has 99 seashells. He went to the beach and collected 14 more. Then, someone gave him 7 more. How many total seashells does Ken have?
Show me your work!
99+14+7=120
40-21=
19
Is 200+40+2 greater, less than or equal to 200+2+40?
equal number is 242
What is the product of 3 and 4?
3x4=12
What is 51 rounded to the nearest ten?
50
Add 155+145
Show me 2 strategies
300
2 strategies
100-79=
21
Is 4 hundreds+10 ones+5 tens greater, less than or equal to 451?
4 hundreds+6 tens is 460 and is greater than 451
64
What is 102 rounded to the nearest hundred?
100
Add 110+110 on a number line
220
show on a number line
522-399=
Show me 2 strategies
123
show 2 strategies
Is 3+60+100 greater, less than or equal to 360?
3+60+100 is 163 and is less than 360
If Suzie planted 2 rows of 6 carrots, how many total carrots will she have?
Show me a picture and equation to match
2x6=12
needs picture also
what is 123 rounded to the nearest tens place?
120
Add 245+765
1,010
333-244=
89
Three hundred and eighty-four is greater than less than or equal to 60+4+200
384 is greater than 264
What is 10x4?
40
what is 450 rounded to the nearest hundreds place?
500
Add 550+445
Show me 2 different strategies
995
show 2 strategies
1000-499=
show a different strategy other than stacking
501
show a different strategy than stack
Are the following numbers equal or not equal?
4 hundred+6 tens+11 ones
1+70+400
462
No!
1st number is 471
2nd number is 471
do not match the last number
What is 90x3?
270
what is 105 rounded to the nearest tens place?
110