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2 + 3 = ?
Hint: Count up from the bigger number.
4 + 5 = ?
Hint: Count up from the bigger number.
3 + 3 = ?
Hint: Count up from the bigger number.
6 + 2 = ?
Hint: Count up from the bigger number.
5 + 4 = ?
Hint: Count up from the bigger number.
7 + 8 = ?
Hint: Make a ten, then add what is left.
6 + 7 = ?
Hint: Make a ten, then add what is left.
9 + 4 = ?
Hint: Make a ten, then add what is left.
8 + 5 = ?
Hint: Make a ten, then add what is left.
7 + 6 = ?
Hint: Make a ten, then add what is left.
9 + 8 = ?
Hint: Make a ten, then add what is left.
8 + 8 = ?
Hint: Make a ten, then add what is left.
Livia has 6 red beads and 5 blue beads. How many beads does she have altogether?
Hint: Join the two groups: 6 + 5.
A shelf holds 8 history books and 7 science books. How many books are on the shelf?
Hint: Add the history books and science books.
Marcus counts 9 sparrows. Then 4 more land nearby. How many sparrows are there now?
Hint: More sparrows joined, so add 9 + 4.
5 − 2 = ?
Hint: Ask: what plus the second number makes the first?
9 − 4 = ?
Hint: Ask: what plus the second number makes the first?
8 − 3 = ?
Hint: Ask: what plus the second number makes the first?
7 − 5 = ?
Hint: Ask: what plus the second number makes the first?
6 − 4 = ?
Hint: Ask: what plus the second number makes the first?
13 − 5 = ?
Hint: Ask: what plus the second number makes the first?
15 − 7 = ?
Hint: Ask: what plus the second number makes the first?
12 − 8 = ?
Hint: Ask: what plus the second number makes the first?
14 − 6 = ?
Hint: Ask: what plus the second number makes the first?
11 − 9 = ?
Hint: Ask: what plus the second number makes the first?
16 − 9 = ?
Hint: Ask: what plus the second number makes the first?
17 − 8 = ?
Hint: Ask: what plus the second number makes the first?
A basket holds 14 apples. Six are shared at lunch. How many apples remain?
Hint: Shared apples leave the basket, so subtract 6 from 14.
Twelve torches are burning. Five go out. How many torches are still burning?
Hint: Take the 5 extinguished torches away from 12.
A mosaic kit has 16 tiles. Marina uses 9 of them. How many tiles are unused?
Hint: Unused tiles are what remains after subtracting 9 from 16.
23 + 45 = ?
Hint: Add ones, then add tens.
34 + 52 = ?
Hint: Add ones, then add tens.
61 + 27 = ?
Hint: Add ones, then add tens.
42 + 36 = ?
Hint: Add ones, then add tens.
27 + 38 = ?
Hint: Add the ones — if you pass 9, carry a ten.
46 + 29 = ?
Hint: Add the ones — if you pass 9, carry a ten.
58 + 37 = ?
Hint: Add the ones — if you pass 9, carry a ten.
65 + 28 = ?
Hint: Add the ones — if you pass 9, carry a ten.
49 + 44 = ?
Hint: Add the ones — if you pass 9, carry a ten.
57 + 36 = ?
Hint: Add the ones — if you pass 9, carry a ten.
38 + 47 = ?
Hint: Add the ones — if you pass 9, carry a ten.
76 + 18 = ?
Hint: Add the ones — if you pass 9, carry a ten.
68 − 25 = ?
Hint: Subtract ones, then subtract tens.
79 − 34 = ?
Hint: Subtract ones, then subtract tens.
86 − 51 = ?
Hint: Subtract ones, then subtract tens.
57 − 23 = ?
Hint: Subtract ones, then subtract tens.
52 − 27 = ?
Hint: If the top ones digit is smaller, borrow a ten.
63 − 48 = ?
Hint: If the top ones digit is smaller, borrow a ten.
81 − 46 = ?
Hint: If the top ones digit is smaller, borrow a ten.
74 − 59 = ?
Hint: If the top ones digit is smaller, borrow a ten.
95 − 38 = ?
Hint: If the top ones digit is smaller, borrow a ten.
42 − 19 = ?
Hint: If the top ones digit is smaller, borrow a ten.
70 − 34 = ?
Hint: If the top ones digit is smaller, borrow a ten.
83 − 47 = ?
Hint: If the top ones digit is smaller, borrow a ten.