Online Test — Addition Strategies
10 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 10
Use counting on to add 7 + 4. What is the answer?
10
11
12
13
Explanation: Start at 7, count up 4: 8,9,10,11
Question 2 of 10
Which doubles fact equals 16?
7+7
8+8
9+9
6+6
Explanation: 8+8=16, that's the double for 8
Question 3 of 10
Use making ten to add 9 + 5. What is the answer?
13
14
15
16
Explanation: 9 needs 1 to make 10, take 1 from 5 leaves 4, 10+4=14
Question 4 of 10
What is the near doubles strategy for 6 + 7?
6+6=12+1
7+7=14-1
6+6=12+2
5+5=10+3
Explanation: 6+7: use 6+6=12, then add 1 more
Question 5 of 10
Add mentally: 8 + 3
10
11
12
13
Explanation: Counting on: start at 8, count 3: 9,10,11
Question 6 of 10
Which strategy is best for 9 + 9?
Counting on
Making ten
Doubles
Near doubles
Explanation: Both numbers are the same, so it's a doubles fact
Question 7 of 10
Use making ten to add 8 + 7. What is the answer?
14
15
16
17
Explanation: 8 needs 2 to make 10, take 2 from 7 leaves 5, 10+5=15
Question 8 of 10
If 5 + 5 = 10, what is 5 + 6?
10
11
12
13
Explanation: 5+6 is 1 more than 5+5, so 10+1=11
Question 9 of 10
Sara has 9 stickers. Her friend gives her 4 more. How many stickers does Sara have now? Use counting on.
12
13
14
15
Explanation: Start at 9, count 4: 10,11,12,13
Question 10 of 10
Which problem can be solved using the near doubles strategy?
3+3
8+2
7+8
10+0
Explanation: 7+8 are close (differ by 1), near doubles works best