Place Value
Double Digit Addition
Multi-Digit Addition
Double Digit Subtraction
Doubles/Halves
Random
100
How many 100s, 10s and 1s are in the number seven hundred eighty-five?
7 hundreds
8 tens
5 ones
100
76 + 21 =
97
100
150 + 250 =
400
100
63 - 9 =
54
100
What is the double of 6?
12
100
Samantha needs 68 yards of fabric to make a ladybug costume. She already has 29 yards of fabric. How many more yards of fabric does she need?
Samantha needs 39 yards of fabric.
200
How to you write the number 15 in written form?
fifteen
200
14 + 82 =
96
200
175 + 223 =
398
200
34 - 17=
17
200
What is half of 18?
9
200
There are 55 birds on a power line. A squirrel chases 28 away. How many birds were still on the power line?
There are 27 birds still on the power line.
300
Show me the number 578 using a drawing.
5 hundreds (squares - 10 x10)
7 tens (sticks with 10)
8 ones (dots)
300
58 + 83 =
141
300
128 + 564 =
692
300
72 - 12 =
50
300
What is the double of 12?
24
300
How many blocks are in the picture?
9 hundreds
9 tens
9 ones
OR 999
400
Show me the number 829 in expanded form.
800 + 20 + 9
400
87 + 17 =
104
400
775 + 173 =
948
400
41 - 38 =
3
400
What is half of 104?
52
400
Isaac bought 3 presents for his friends. The prices were $25, $22, and $18. How much did he pay in total?
He paid $65 in total.
500
Write the answer to 215 + 543 in hundreds, tens and ones.
7 hundreds
5 tens
8 ones
500
99 + 99 =
198
500
896 + 234 =
1,130
500
92 - 48 =
44
500
What is the double of 35? What is half of 50?
70 & 25
500
Name off 3 different strategies to solve addition/subtraction problems.
Examples:
open number line
place value (counting ’tens and ones’)
standard algorithm