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1-51) Fill in the blanks

7 + 6 = 5 + ___

9 + 4 = ___ + 5

1-52)  Momo the chicken lays 5 eggs a week.  Coco the chicken lays 7 eggs a week.  How many eggs in all do both chickens lay in 2 weeks?

1-53)   Fill the empty circles so that the sum of the 3 numbers on each side of the triangle is 12.

1-54) John sees 12 puppy paws in a basket.  How many puppies are there in the basket?

1-55) Jenny sees 20 kitten paws in a basket.  How many kitten are there in the basket?

1-56)  Max wants to build a wall shown below with bricks.  How many bricks does he need?

1-57) Find 3 different ways to fill in the blanks. Do not use zeros.

7 = __ + __ + __

7 = __ + __ + __

7 = __ + __ + __

1-58) Find 3 different ways to fill in the blanks. Do not use zeros.

8 = __ + __ + __

8 = __ + __ + __

8 = __ + __ + __

1-59) What is five hundred-fifty-five written as a number?

1-60) Two houses have 8 windows each. The third house has 13 windows. How many windows are there in all 3 houses?

More challenging math problems for 1st grade:
1-5  6-10  11-15  16-20  21-25  26-30  31-35  36- 40  41-45
46-50  51-60  61-70